TONIGHT ON 20/20 ` UNIVERSITY AFTER DARK. KIDS IN OVERDRIVE MAKING NEW FRIENDS AND FRENEMIES. UNEASY MUSIC THERE ARE JEALOUSIES AND ANGERS AND BREAK-UPS AND HOOK-UPS. BUT AT ONE OF AMERICA'S TOP UNIVERSITIES, DID IT LEAD TO MURDER? I'VE JUST NEVER BEEN SO SHAKEN UP BY ANYTHING. THE UNSOLVED KILLING OF A WILDLY POPULAR STUDENT. SHE INSTANTLY CAUGHT THE ATTENTION OF MEN ON THIS CAMPUS. AND TONIGHT POLICE ARE BRINGING IN 20/20 TO HELP CRACK THE CRIME... YOU'RE GIVING US UNPRECEDENTED ACCESS TO THIS CASE? WHY? ...AS HER ANGUISHED PARENTS LAUNCH THEIR OWN INVESTIGATION... I HEARD HER SAY IT ` 'OH GOD.' SHE SCREAMS, 'OH GOD.' THIS IS MY BABY GIRL'S VOICE. WE'RE TAKING YOU THROUGH THE FINAL HOURS OF A GIRL NAMED FAITH AFTER A LATE NIGHT OF CLUBBING IN A UNIVERSITY TOWN. YOU SEE THEM ON VIDEO WALKING OUT? YES. SECURITY FOOTAGE NEVER SHOWN UNTIL NOW. OUR INTERVIEWS WITH FRIENDS AND NEIGHBOURS... WHAT DID YOU HEAR UPSTAIRS IN THAT APARTMENT? ...AND ASTONISHING NEW TECHNOLOGY FROM JUST A FEW DROPS OF DNA. WHAT COULD BE THE FACE OF THE KILLER EMERGING IN FRONT OF YOU. TONIGHT ` THE INVESTIGATION WHERE ANYONE COULD BE A SUSPECT. I JUST WANNA TALK TO YOU FOR A SECOND. DO YOU HAVE A SECOND? NOT KNOWING WHO YOU CAN TALK TO, WHO YOU CAN TRUST. LOVE, HOPE... WE'RE GONNA DO IT. WE'RE GONNA GET THE GUYS, I PROMISE YOU. ...AND FAITH. DRAMATIC MUSIC COPYRIGHT ABLE 2016 KIA ORA. I'M CAROLYN ROBINSON. AND TONIGHT ON 20/20, THE STORY OF AN UNSOLVED MURDER THAT SHOCKED A SMALL UNIVERSITY TOWN AND AN ENTIRE NATION. THE UNIVERSITY OF NORTH CAROLINA AT CHAPEL HILL IS THE OLDEST PUBLIC UNIVERSITY IN AMERICA. PAST ALUMNI INCLUDE US PRESIDENT JAMES POLK, WRITER THOMAS WOLFE, AND FITTINGLY FOR A BASKETBALL SCHOOL, MICHAEL JORDAN. BUT FAITH HEDGEPETH DIDN'T GET THE CHANCE TO GO ON TO GREAT THINGS. FAITH WAS THE VICTIM OF A BRUTAL MURDER AT THE UNIVERSITY. TONIGHT 20/20 IS REVEALING INFORMATION THAT'S NEVER BEFORE BEEN SEEN BY THE PUBLIC IN AN EFFORT TO SHED LIGHT ON THIS COLD CASE. HERE'S RYAN SMITH. APPLAUSE WELCOME TO THE SPRING COMMENCEMENT AT THE UNIVERSITY OF NORTH CAROLINA AT CHAPEL HILL. IT'S GRADUATION DAY 2014 IN CHAPEL HILL. BRASS BAND PLAYS ROUSING TUNE FAITH HEDGEPETH WAS SUPPOSED TO HAVE BEEN HERE. SHE WAS SUPPOSED TO HAVE DRESSED IN CAROLINA BLUE, WAVED TRIUMPHANTLY TO HER FAMILY AND BASKED IN THE ACHIEVEMENT OF A DEGREE FROM THE NATION'S OLDEST ` AND THEY SAY BEST ` PUBLIC UNIVERSITY. AND OF COURSE, A PERENNIAL BASKETBALL POWERHOUSE. THIS IS THE PLACE WHERE SHE'D WANTED TO COME ALL HER LIFE. THIS WAS HER DREAM? WOMAN: ALL THREE CANDIDATES, PLEASE RISE. THAT WAS THE DREAM. CONGRATULATIONS. BUT THIS IS THE REALITY. FAITH'S MOTHER, CONNIE, IS CALLED. SHE SAID, 'WELL, MS HEDGEPETH, I'M SORRY TO TELL YOU, BUT FAITH IS DEAD.' THE STUNNED MATRIARCH RELAYS THE NEWS TO THE FAMILY, INCLUDING SON CHAD,... HE SAID, 'WHAT IS IT, MAMA?' I DIDN'T KNOW WHAT TO THINK. ...FAITH'S DAD, ROLAND... I SAID, 'ARE YOU SURE, CONNIE?' ...TO DAUGHTER ROLANDA. I SAID, 'WHAT?' AND I JUST COLLAPSED. SO SPARSE ARE THE INITIAL DETAILS, THE FAMILY IS LEFT TO WONDER EXACTLY HOW FAITH DIED. DID SHE GET CAUGHT UP WITH THE WRONG PEOPLE? WAS SHE JUST AT THE WRONG PLACE AT THE WRONG TIME? DID SHE COMMIT SUICIDE? BREAKING NEWS IS FIRST AT 6. BUT IT ISN'T LONG BEFORE WTVD, THE ABC-OWNED STATION IN RALEIGH DURHAM, STARTS REPORTING DETAILS ABOUT THE CASE. REPORTER: POLICE ARE TREATING HEDGEPETH'S DEATH AS A MURDER AND SAY THEY DON'T BELIEVE IT WAS A RANDOM ACT. WE WANNA KNOW EVERYTHING. WE WANNA KNOW WHY. UNC WAS SUPPOSED TO BE A BEGINNING FOR FAITH, NOT THE END. SHE RECEIVED A SCHOLARSHIP ` FULL TUITION ALL THE WAY THROUGH GRADUATE SCHOOL. GENTLE MUSIC THAT SCHOLARSHIP WAS THE TICKET OUT OF HER TINY HOMETOWN OF HOLLISTER ` A PLACE FILLED WITH GOOD PEOPLE BUT LITTLE ELSE. PEOPLE CHEER, CHANT FAITH, A NATIVE AMERICAN, GREW UP A MEMBER OF THE HALIWA-SAPONI TRIBE ` ALL CHANT A NATIVE PEOPLE WHO HAVE CALLED THIS PART OF THE COUNTRY HOME SINCE BEFORE THERE WAS A COUNTRY. IT'S A PLACE FAITH PROMISED TO RETURN TO ONE DAY. IT MEANT ENOUGH TO HER TO WANT TO COME BACK AND HELP HER COMMUNITY AFTER SHE ACHIEVED IN LIFE. ABSOLUTELY. THAT WAS HOME TO HER, AND SHE WANTED TO MAKE A DIFFERENCE. THE TRANSITION WAS NOT ALWAYS SMOOTH. AT TIMES THE GRADES SUFFERED. SO ADJUSTING TO THE CLASS LOAD WAS A BIT DIFFICULT FOR HER, SO SHE DID STRUGGLE ACADEMICALLY, BUT SHE DECIDED NOT TO GIVE UP ON CAROLINA AND OBTAINING A CAROLINA DEGREE. WHAT WAS NEVER IN DOUBT WAS FAITH'S ABILITY TO CONNECT WITH OTHERS ON CAMPUS. FAITH WAS A VERY SOCIAL PERSON. SHE INSTANTLY HAD CONNECTIONS ON CAMPUS, AND SHE INSTANTLY CAUGHT THE ATTENTION OF MEN ON THIS CAMPUS. SHE JUST SMILED ALL THE TIME. I KNOW I'M A SMILER, BUT SHE HAD ME BEAT. SHE DEFINITELY KNEW HOW TO, KIND OF, MAKE YOU FEEL SAFE; MAKE YOU FEEL HAPPY. THE BAND OF SISTERS QUICKLY FORMS. IN HER FRESHMAN AND SOPHOMORE YEARS, EUNA AND PATTY, ROOMMATE KARENA AND FRIEND MARISOL RANGEL BECOME TIGHT WITH FAITH. SHE HAD FRIENDS EVERYWHERE. UM, SHE WOULD MAKE FRIENDS SO QUICK. AND THERE WERE PLENTY OF OTHER FRIENDS TO MAKE. FAITH HEDGEPETH HITS THE BOOKS BY DAY AND THE SOCIAL SCENE BY NIGHT. SHE LIKED TO DANCE. SHE LIKED TO BE IN A LOUD ROOM FULL OF PEOPLE TALKING. SHE ENJOYED GOING OUT. SHE'S CERTAINLY NOT ALONE. UNC STUDENTS KNOW HOW TO THROW A PARTY, AND AT THIS SCHOOL, EVERYONE'S INVITED. BUT FAITH MAINTAINS HER PRIORITIES, AT TIMES HOLDING DOWN TWO JOBS. WHILE WAITRESSING AT THE RED ROBIN, FAITH POSTS ON INSTAGRAM. A CUSTOMER HAS ADDED A HEART AROUND HER NAME ON THIS BILL. FAITH MOCKS HER UNCANNY ABILITY TO CHARM, WITH A CAPTION ON INSTAGRAM THAT READS... SHE WILL BE DEAD FIVE DAYS LATER, WHEN HER ROOMMATE KARENA COMES HOME AND MAKES THAT EMERGENCY CALL WHICH WILL ITSELF BECOME PART OF THE MYSTERY POLICE NOW WANT YOU TO HELP SOLVE. HOW MANY MURDERS HAPPEN HERE IN CHAPEL HILL? UH, GENERALLY WE AVERAGE LESS THAN ONE A YEAR. CHIEF OF POLICE CHRIS BLUE DOESN'T JUST PROTECT A TOWN; HE MUST PROTECT AN IMAGE. THE UNIVERSITY IS ONE OF THE STATE'S LARGEST EMPLOYERS. WHEN CO-EDS TURN UP DEAD FOR MYSTERIOUS REASONS,... CAMERA SNAPS ...STUDENTS START WORRYING ABOUT SAFETY. REPORTER: THE LACK OF INFORMATION HAS STUDENTS WHO DID NOT KNOW FAITH ON EDGE. WE JUST WANT ANSWERS AND, KINDA, GIVE US A LITTLE PEACE. THAT'S BAD FOR BUSINESS. THE PRESSURE TO SOLVE THIS CASE IS IMMENSE. WE DON'T STOP. WE DON'T QUIT. THE POLICE FOCUS ON THE UNSENTIMENTAL BUSINESS OF INVESTIGATION. AND THERE IS NO SHORTAGE OF EVIDENCE. WE'RE TRYING TO MAKE SOME SENSE OF THE LITERALLY THOUSANDS OF PIECES OF INFORMATION THAT ARE COMING IN AND PRIORITISE. BUT IN THE ABSENCE OF AN ARREST, SPECULATION RULES THE DAY, AND EVERYONE HAS A THEORY. I DO BELIEVE FAITH'S DEATH WAS A PERSONAL VENDETTA. I DON'T BELIEVE THAT THIS WAS RANDOM AT ALL. COMING UP ` DID BEING THE LIFE OF THE PARTY LEAD TO FAITH'S DEATH? WAS THERE A FRENEMY INSIDE HER OWN SOCIAL CIRCLE? AND IS THAT PERSON HIDING IN PLAIN SIGHT. YOU DON'T KNOW WHO YOU CAN TRUST. YOU DON'T KNOW WHO YOU CAN TALK TO. AND LATER, YOUR VERY FIRST LOOK AT A HIGH-TECH IMAGE THAT MAY REVEAL THE KILLER'S IDENTITY. STILL TO COME, AS WE CONTINUE THE HUNT FOR FAITH'S KILLER ` HOW THIS YOUNG WOMAN WENT FROM HER DEAD-END HOMETOWN TO ONE OF AMERICA'S BEST UNIVERSITIES. SHE WAS LIVING THE DREAM, BUT IT WOULD QUICKLY BECOME A NIGHTMARE. 1 WELCOME BACK TO 20/20 AND OUR STORY 'LOVE, HOPE AND FAITH'. DETAILS OF FAITH HEDGEPETH'S KILLING ARE AT FIRST SCARCE, BUT POLICE IN THE SMALL UNIVERSITY TOWN OF CHAPEL HILL THINK THEY CAN FIND HER KILLER QUICKLY AND WRAP UP THE CASE. RYAN SMITH PICKS UP THE STORY. ALL SING IN NATIVE AMERICAN LANGUAGE THE WEEK AFTER FAITH HEDGEPETH IS BRUTALLY MURDERED, THE UNIVERSITY HOLDS THIS VIGIL, HONOURING HER WITH A NATIVE AMERICAN CEREMONY. ALL SING, CHAT IN NATIVE AMERICAN LANGUAGE FAITH, I LOVE YOU, BABY. INDISTINCT POLICE RADIO CHATTER MEANWHILE, INVESTIGATORS ARE TRYING TO TACKLE THE PUZZLING CASE BY RETRACING HER FINAL HOURS ` A JIGSAW STILL BEING WORKED ON TODAY, FOUR YEARS LATER, ONE THAT LIEUTENANT CELISA LEHEW LOSES SLEEP OVER. JUST A COUPLE OF WEEKS AGO, I WOKE UP IN THE MIDDLE OF THE NIGHT, AND A NAME POPPED INTO MY HEAD. AND I COULDN'T PLACE IT. SO I HAD TO GET UP AND COME INTO WORK. SO THERE ISN'T A DAY THAT GOES BY THAT WE DON'T LOOK AT FAITH'S CASE. FOR THE MOST PART, THE CHAPEL HILL POLICE HAVE PLAYED THINGS CLOSE TO THE VEST WHEN IT'S COME TO RELEASING INFORMATION. BUT TONIGHT FOR THE FIRST TIME, THEY ARE OPENING UP WITH BRAND NEW EVIDENCE. THERE MAY BE ANOTHER PIECE OF INFORMATION OUT THERE THAT THIS STORY WILL SHAKE LOOSE IN SOMEBODY'S MIND. THIS IS THE POLICE TIMELINE. THE EVENING BEGINS WITH FAITH AND ROOMMATE KARENA ROSARIO ON CAMPUS STUDYING. LT CELISA HEW: THEY WENT TO THE STUDENT LIBRARY ON CAMPUS, WHICH IS CALLED 'DAVIS LIBRARY'. FAITH STEPS OUT AND PAYS A VISIT TO THE APARTMENT OF A MALE FRIEND. FAITH LEFT FOR A SHORT TIME AND THEN CAME BACK TO THE LIBRARY AND PICKED KARENA UP. AND THEY WENT BACK TO THEIR RESIDENCE AT 'HAWTHORNE AT THE VIEW'. 'HAWTHORNE AT THE VIEW' WAS THE NAME OF AN APARTMENT COMPLEX. THIS OVERHEAD SHOWS EXACTLY WHERE THE TWO LIVED. YOU HAVE TO FOLLOW THE ROAD ALL THE WAY TO THE END TO FIND IT. THEY SHARED THE SECOND FLOOR APARTMENT, NUMBER 1502. DID YOU FIND ANY SURVEILLANCE VIDEO FROM THIS COMPLEX? THERE WAS NO SURVEILLANCE FROM THIS COMPLEX. INSIDE THE APARTMENT FOR ONLY 30 MINUTES, THE TEENS ARE NOW READY FOR A NIGHT OF DANCING. POLICE SAY THEY LOCKED THE DOOR BEHIND THEM. ABOUT 10 MINUTES LATER, THEY ENTER THE POPULAR 'THRILL' NIGHTCLUB ON ROSEMARY STREET. UPBEAT DANCE MUSIC PLAYS 'THRILL' IS ONE OF THE COMMON NIGHTCLUBS THAT UNDERGRADUATE STUDENTS, PARTICULARLY THOSE THAT ARE YOUNGER THAN 21, CAN STILL GET INTO. THIS SECURITY CAMERA FOOTAGE, NEVER BEFORE SEEN BY THE PUBLIC, SHOWS AN OVERHEAD VIEW AS THE WOMEN WALK INTO THE CLUB. THAT'S ONE OF THE CLUB'S BOUNCERS ESCORTING THEM INSIDE. WELL, THURSDAY IS POPULAR COLLEGE NIGHT FOR, I THINK, ANY COLLEGE TOWN, SO OF COURSE IT WOULD HAVE BEEN SUPER PACKED. WHAT TRANSPIRED IN THE CLUB THAT NIGHT? IT'S IMPOSSIBLE TO TELL FROM THIS CAMERA. BUT LESS THAN 90 MINUTES LATER, KARENA SEEMS READY TO CALL IT A NIGHT. YES, SHE DID INDICATE THAT SHE WASN'T FEELING WELL WHEN SHE LEFT THE CLUB. THAT'S KARENA WALKING OUT FIRST, FOLLOWED BY FAITH. THEY SPEND A FEW MOMENTS TALKING TO A MAN OUTSIDE. BY 3AM, THE WOMEN ARE BACK AT THE APARTMENT. WHAT'S ABOUT TO HAPPEN NEXT LOOKS LIKE THE TELL-TALE SIGNS OF MAJOR GUY DRAMA, AT LEAST TO THIS GUY. THERE WERE A LOT OF MEN THAT LIKED FAITH, THERE WERE A LOT OF MEN THAT LIKED SOME OF THE OTHER YOUNG WOMEN IN THIS CASE. COLUMNIST TOM GASPAROLI HAS BEEN FOLLOWING THE CASE FOR YEARS. THERE WERE VERY ATTRACTIVE WOMEN, AND THERE WERE JEALOUSIES AND ANGERS AND BREAK-UPS AND HOOK-UPS. AROUND 3.30AM, RECORDS OBTAINED BY POLICE SHOW THAT THERE IS ACTIVITY ON FAITH'S FACEBOOK PAGE. FAITH IS ALSO TEXTING THIS MAN, BRANDON EDWARDS, SEEN HERE ON HIS FACEBOOK PAGE. THE TEXT: SO WHO IS THIS GUY? BRANDON AND KARENA USED TO, LIKE, TALK. I DON'T KNOW IF THEY DATED DATED, BUT THEY USED TO TALK. OTHERS HAVE LIKENED BRANDON AS A BIG BROTHER FIGURE TO THE WOMEN. POLICE SAY KARENA'S PHONE RECORDS SHOW SHE IS CALLING BRANDON EDWARDS MULTIPLE TIMES AROUND THE SAME TIME FAITH IS TEXTING HIM. BUT THERE IS NO RESPONSE. SO KARENA REACHES OUT TO SOMEONE ELSE ` UNC SOCCER STAR JORDAN MCCRARY. EVERY DAY I WAKE UP, TRAIN, RUN AND DO IT ALL AGAIN THE NEXT DAY. SHE TEXTED JORDAN HE HAS TO COME AND PICK HER UP AT HAWTHORNE AT THE VIEW. WAS JORDAN HER BOYFRIEND? I WOULD SAY SHE WAS SOMEBODY HE HAD A RELATIONSHIP WITH. CLOSE TO 4.30AM, FAITH'S ROOMMATE, KARENA, LEAVES HER APARTMENT, GETS IN MCCRARY'S CAR AND HEADS TO HIS APARTMENT. SHE SAYS SHE LEFT THE FRONT DOOR UNLOCKED. AT THAT TIME, WHEN SHE LEFT THE APARTMENT, UH, SHE KNEW FAITH TO BE IN BED, UH, IN THE BEDROOM. WHEN THE SUN RISES OVER CHAPEL HILL, THE PARTY'S OVER, AND SCHOOL'S STARTING. KARENA NEEDS A RIDE HOME TO PICK UP A PAPER FOR CLASS AND THEN HEAD TO CAMPUS. WHEN SHE CAN'T REACH FAITH, SHE CALLS MARISOL RANGEL FOR A LIFT. SO I PICKED UP KARENA, AND WE CAME BACK TO THE APARTMENT. UM, AND WE SAW HER CAR. SO I'M, LIKE, 'OH, SHE PROBABLY OVERSLEPT.' IT IS NEARLY 11AM THE TWO CLIMBED THE STAIRS AND ENTER THE APARTMENT. THEY CALL FAITH'S NAME BUT GET NO RESPONSE. ALL I REMEMBER IS JUST CALLING HER NAME, JUST COS WE KNEW SHE WAS THERE. LIKE, 'FAITH. FAITH.' THAT'S WHEN WE WENT INTO THE ROOM. TENSE MUSIC AND WE FOUND HER. SO FAITH WAS FOUND DECEASED, PARTIALLY NUDE. UH, THERE WAS A LOT OF BLOOD IN THE BEDROOM, AND SHE HAD SUFFERED WHAT APPEARED TO BE SEVERE HEAD TRAUMA. WHEN POLICE ARRIVE, THEY SEE THIS NEAR FAITH'S BODY. THIS PHOTO, REVEALED FOR THE FIRST TIME, IS ALLEGEDLY THE MURDER WEAPON ` AN EMPTY BOTTLE OF RUM. THAT MURDER WEAPON THAT YOU MENTIONED ` THAT BOTTLE ` WHAT CONDITION WAS THAT IN? IT WAS A BACARDI BOTTLE. UM, AND IT WAS COVERED IN BLOOD ` BLOOD SMUDGES. IT WAS A BRUTAL,... BRUTAL DEATH. DID IT SEEM LIKE THERE WAS FORCED ENTRY GOING INTO THE APARTMENT? NO. THERE IS NO SIGN OF FORCED ENTRY. SEMEN IS ALSO DISCOVERED ON FAITH'S BODY. INVESTIGATORS USE IT TO GENERATE A DNA PROFILE. THEY'RE CONVINCED THAT DNA BELONGS TO THE KILLER AND THAT HE MAY ALSO HAVE PERPETRATED A SEXUAL ASSAULT. IS IT MORE LIKELY THAN NOT THAT SHE WAS RAPED? YES. IN THE SEARCH FOR FAITH'S KILLER, THAT DNA PROFILE WILL BECOME SORT OF A GLASS SLIPPER. BUT WHO WILL FIT IT? NEXT ` RAPS: # MR TAKOY JONES... POLICE TURN THEIR ATTENTION TO AN ASPIRING RAPPER WHO LIVES NEARBY. # YOU'RE STILL THE HOTTEST THING IN THE STREET. # DID HE HAVE THE MOTIVE FOR MURDER? HE TOLD THEM THAT HE WOULD KILL THE BOTH OF THEM, ESPECIALLY FAITH. GUNSHOTS AND LATER, A MAVERICK PRIVATE INVESTIGATOR SETS HIS SIGHTS ON ANOTHER TARGET. THE POLICE HAVE DNA EVIDENCE, BUT WITH A SURPLUS OF SUSPECTS, WILL IT BE ENOUGH TO SOLVE THE CASE? AND WHAT ABOUT THE MAVERICK PRIVATE EYE THAT FAITH'S FAMILY HAVE HIRED? MORE WHEN 20/20 RETURNS AFTER THE BREAK. 1 WELCOME BACK TO 20/20 AND THE HUNT FOR THE KILLER OF TEENAGED AMERICAN UNIVERSITY STUDENT FAITH HEDGEPETH. THE POLICE INVESTIGATION INTO FAITH'S BRUTAL MURDER HAS SEEN THEM GATHER A MOUNTAIN OF PHYSICAL EVIDENCE. AND NOW THEY HAVE THEIR EYE ON ONE MAN ` AN ASPIRING LOCAL RAPPER WITH A DARK, CONTROLLING SIDE. LOVE, HOPE AND FAITH CONTINUES NOW. WHEN A COLLEGE STUDENT IS KILLED, THE PROBLEM ISN'T A SHORTAGE OF SUSPECTS, IT'S THE SURPLUS. FAITH KNEW HUNDREDS OF PEOPLE. SHE WAS VERY PERSONABLE, UH, LOVED BY MANY. SO AS TIME WENT ON, IT JUST` IT GREW AND GREW. WITH A YOUNG, SOCIALLY OUTGOING VICTIM AT THE CENTRE OF THE CASE, THE CELL PHONE RECORDS AND SOCIAL MEDIA CONNECTIONS ALONE GIVE POLICE A VAST SUPPLY OF LEADS TO RUN DOWN. HOW MANY PEOPLE HAVE YOU PURSUED IN THIS CASE? EITHER FOR INFORMATION OR AS A POSSIBLE PERSON OF INTEREST? OVER 1800. IT JUST BOGGLES THE MIND WHEN I HEAR THE NUMBER. BUT HOW HARD IS THAT INVESTIGATION FOR YOU TO NARROW DOWN? YOU KNOW, IT'S DIFFICULT. UM, AGAIN, FAITH WAS VERY OUTGOING. SHE HAD A LOT OF FRIENDS. REPORTER: CHAPEL HILL INVESTIGATORS WERE ABLE TO LINK MULTIPLE MEN TO THE MURDERED UNC STUDENT. POLICE SAY SOME OF THE MEN WERE RELUCTANT TO PROVIDE DNA, WHILE SOME FLAT OUT REFUSED. THINK ABOUT THIS. IN JUST THE 90 MINUTES FAITH SPENT AT THE THRILL THAT NIGHT, POLICE LEARNT THAT SHE MINGLED WITH A VERITABLE ROGUES GALLERY. THERE WAS THE CRACK DEALER AND GUN RUNNER WHO WAS ALSO A POLICE INFORMANT; AN UNSTABLE STUDENT WHO POLICE SAY ONCE THREATENED TO SHOOT HIS MOTHER'S BOYFRIEND IN THE HEAD; AND THE GUY FAITH WALKED OUT OF THE CLUB WITH. COPS SAY WHEN HE WAS LATER INTERVIEWED, HE MADE SUSPICIOUS STATEMENTS. ALL WERE LATER ELIMINATED THROUGH A DNA PROCESS. BUT CHECKING OUT EACH AND EVERY STORY IS PROVING TO BE A TIME-CONSUMING PROCESS. HOW DO YOU REIN ALL THAT IN? YOU'LL ELIMINATE THEM FAIRLY QUICKLY, BUT YOU STILL HAVE TO FIND THEM, AND YOU STILL HAVE TO INTERVIEW THEM. AND THAT CAN BE LABOUR INTENSIVE. SO, THREE FRUSTRATING MONTHS AFTER FAITH HEDGEPETH'S MURDER, THE CHAPEL HILL PD ASKS FOR HELP AND GETS IT. THE FBI COMES ON BOARD AND DEVELOPS A PROFILE OF THE KILLER. FORMER FBI PROFILER BRAD GARRETT, NOW AN ABC NEWS CONSULTANT, SAYS A PROFILE CAN PERFORM A USEFUL, AND IN THIS CASE, VITAL, FUNCTION OF NARROWING DOWN THE SUSPECT POOL. THE FBI'S BEHAVIOURAL ANALYSIS UNIT TELLS THE CHAPEL HILL POLICE THEY BELIEVE THE KILLER KNEW HEDGEPETH. YOU LOOK AT ALL OF THESE HEAD INJURIES AND THINK ABOUT HOW THEY WERE INFLICTED. YOU'RE TALKING ABOUT BEING AS CLOSE AS YOU AND I, HITTING YOU IN THE HEAD WITH A BOTTLE. YOU'RE LOOKING AT ME, I'M LOOKING AT YOU. YOU CAN'T GET MUCH MORE PERSONAL THAN THAT. THE PROFILE GOES ON TO SAY THE KILLER MAY HAVE LIVED CLOSE TO FAITH AT ONE TIME. THAT WOULD SUGGEST TO ME THAT YOUR KILLER KNOWS THE BUILDING, KNOWS THE LOCATION AND DIDN'T JUST WANDER UPON THIS PARTICULAR APARTMENT BUILDING AND RANDOMLY PICK THIS DOOR AND WALK THROUGH IT AND COMMIT THIS HORRENDOUS ACT. THE FBI BELIEVES THE KILLER HAS MADE COMMENTS ABOUT FAITH TO CLOSE ASSOCIATES. IN OTHER WORDS, HAVE SAID SOMETHING TO SOMEBODY. NOT AS DIRECTLY AS 'I KILLED HER', BUT SOMETHING ABOUT IT THAT SORT OF PUTS HIM IN THIS CASE. AND THE PROFILE SAYS THE KILLER MAY TAKE AN UNUSUAL INTEREST IN THE CASE. THEY WANNA LOOK AT EVERY NEWS PRESENTATION, THEY WANNA READ EVERY ARTICLE. THEY WANNA GO ONLINE AND TALK ABOUT IT. CHAPEL HILL POLICE SAY THE PROFILE MATCHED SOME OF THE TRAITS OF ERIQ TAKOY JONES ` RAPS: # RECORD LABELS GOING NUTS, ALL TRYING TO SIGN ME... A LOCAL RAPPER TRYING TO MAKE IT BIG. # MS TAKOY JONES, WHAT YOU LOOKING AT THE KID NOW? # ENDLESS IN THE CITY, ALL THE RAPPERS NEED TO BOW DOWN. # WHY IS JONES SO INTERESTING TO INVESTIGATORS? BECAUSE HE KNOWS BOTH FAITH AND HER ROOMMATE KARENA. TAKOY JONES IS THE EX-BOYFRIEND OF KARENA. AND HE HAD PREVIOUSLY LIVED THERE WITH KARENA. THE TWO DATED UNTIL THE RELATIONSHIP WENT SOUR AFTER JONES ALLEGEDLY GOT VIOLENT. HE WAS VERY JEALOUS OF KARENA. LIKE, WHO SHE COULD TALK TO AND WHAT SHE COULD DO. COURT PAPER ALLEGE THE RAPPER CAME INTO APARTMENT 1502 AND WAS VERBALLY ABUSIVE TO KARENA AND PUSHED HER TO THE GROUND. FIVE DAYS LATER, JONES ALLEGEDLY BROKE INTO THE APARTMENT AFTER KARENA HAD THE LOCKS CHANGED. SO SHE BROUGHT A RESTRAINING ORDER AGAINST HIM? YES. FAITH APPARENTLY DIDN'T APPROVE OF ERIQ'S APPROACH TO DATING. AND A NEIGHBOUR NAMED JOY SAID FAITH PLAYED AN ACTIVE ROLE IN SEEING HIS RELATIONSHIP WITH KARENA END. FAITH DROVE KARENA TO THE COURTHOUSE TO FILL OUT THE PAPERWORK TO GET THE RESTRAINING ORDER. AND AFTER THAT, TAKOY DIDN'T LIVE UPSTAIRS ANY MORE. BUT ERIQ DOESN'T MOVE FAR. HE MOVES INTO ANOTHER APARTMENT IN THE VERY SAME COMPLEX. AFTER FAITH IS MURDERED, JONES COMES DOWN THE STREET AND SINGS HER PRAISES TO WTVD NEAR THE CRIME SCENE. FAITH WAS THE SWEETEST PERSON IN THE WORLD. I CAN'T BELIEVE IN IT. LIKE, I'M STILL IN SHOCK. LIKE, IT'S JUST UNREAL. PROBLEM IS, FAITH'S FRIEND PATRICIA LOCKLEAR SAYS FAITH TOLD HER JONES STRUCK A MUCH DIFFERENT TONE A FEW MONTHS EARLIER, EVEN BEFORE THE RESTRAINING ORDER WAS REQUESTED. HE TOLD THEM THAT HE'D KILL THE BOTH OF THEM, ESPECIALLY FAITH, IF SHE TRIED TO KEEP HIM FROM` OR KEEP KARENA FROM HIM. WAS JONES SO ENRAGED THAT HE WOULD ELIMINATE THE WOMAN WHO STOOD BETWEEN HIM AND KARENA? IN THE DAYS BEFORE AND AFTER THE MURDER, JONES IS TEXTING AND ON SOCIAL MEDIA, ASKING FOR FORGIVENESS FOR HIS SINS. HE DOES NOT GET SPECIFIC. YEAH, KARENA WAS SCARED OF HIM. JUST BECAUSE IT'S` IT'S A PERSON THAT YOU, LIKE, DON'T KNOW HOW THEY'RE GONNA REACT WITH ANYTHING. COPS WON'T TELL US WHERE THE RAPPER WAS ON THE NIGHT OF THE MURDER, ALTHOUGH THEY DO SAY HE WAS NOT AT THE THRILL NIGHTCLUB. SO, ERIQ TAKOY JONES, IF HE WASN'T INVOLVED IN THIS CASE, IT SEEMS LIKE THERE ARE A LOT OF COINCIDENCES SURROUNDING HIM. AT THIS POINT IN TIME, THERE'S NOT ENOUGH EVIDENCE TO ARREST TAKOY JONES. ERIQ TAKOY JONES HAS AT LEAST ONE THING GOING FOR HIM IN THIS CASE. YOU TESTED HIS DNA. YES. WAS HE A MATCH FOR ANY OF THAT DNA ON FAITH OR IN THAT APARTMENT? NO. BUT COPS SAY THERE'S A CHANCE HE KNOWS WHO IS A MATCH. IS TAKOY JONES A PERSON OF INTEREST IN THIS CASE? HE REMAINS A PERSON OF INTEREST. WE MADE NUMEROUS ATTEMPTS TO CONTACT MR JONES AND FINALLY REACHED HIM. THE MAN WHO AT ONE TIME COULDN'T STOP TALKING ABOUT THE CRIME... WHOEVER DID THIS DESERVES TO BURN. ...NOW SAYS HE'LL HAVE NO FURTHER COMMENT FOR 20/20 OR THE CHAPEL HILL POLICE. REPORTER: SO FAR THERE HAVE BEEN NO ANSWERS. PEOPLE SING, CHANT ALL OF A SUDDEN, IT'S THE FIRST ANNIVERSARY OF THE MURDER. IT DOESN'T GET ANY EASIER. UH, IT'S ALWAYS ON MY MIND. ROLAND AND THE REST OF THE FAMILY ATTEND THIS FLOWER-FILLED MEMORIAL ON CAMPUS. I PRAY THAT WE WON'T BE HERE NEXT YEAR TALKING ABOUT, YOU KNOW, THE CASE NOT SOLVED. BUT AT THIS POINT IN 2013, THE FAMILY MEMBERS ARE THE ONLY ONES TALKING. THE POLICE HAVE CLAMPED DOWN ON ANY PUBLIC STATEMENTS. I CAN'T THINK OF A MURDER LIKE THIS OF A COLLEGE STUDENT, HIGH-PROFILE IN A SMALL TOWN ` A COLLEGE TOWN ` WHERE SO LITTLE KEY INFORMATION WAS TALKED ABOUT OR RELEASED FOR SO LONG. FRUSTRATED BY THE SOUND OF SILENCE, COLUMNIST TOM GASPAROLI DECIDES TO MAKE A LITTLE NOISE OF HIS OWN. GOOD TO SEE YOU. I DECIDED TO START A BLOG AND DO WHATEVER I COULD, AS PROVOCATIVELY AS I COULD, TO GET SOME INFORMATION OR TO KEEP THE STORY OUT THERE. GASPAROLI ATTEMPTS TO FILL IN THE BLANKS BY FOCUSING ON FAITH'S MALE ACQUAINTANCES. SOME OF THE GENTLEMEN AROUND THE SITUATION ` THE GUYS ` COLLEGE STUDENTS AND OTHERWISE ` THEY DIDN'T WANNA TALK. BUT THE DRIP, DRIP OF INFORMATION IS ABOUT TO CHANGE. NEXT ` POLICE RELEASE A TROVE OF DISTURBING NEW EVIDENCE, INCLUDING A NOTE COPS SAY IS WRITTEN BY THE KILLER HIMSELF. WHO LEAVES A NOTE? UH, SERIAL KILLERS SOMETIMES LEAVE NOTES FOR AUTHORITIES. WHO WAS THIS NOTE FOR? AND WHO WAS IT WRITTEN BY? STATIC-Y AUDIO PLAYS ON COMPUTER COULD A BUTT-DIAL PHONE CALL PROVIDE A VALUABLE CLUE? THIS IS MY BABY GIRL'S VOICE. SO, WITH THE BEST SUSPECT THEY'VE COME UP WITH SO FAR ELIMINATED, THINGS ARE LOOKING DARK FOR FAITH'S FAMILY AND THE POLICE. BUT JUST WHEN THEY'RE WONDERING WHERE TO NEXT, NEW TECHNOLOGY THROWS UP SOME IMPORTANT NEW EVIDENCE. BUT WILL IT SOLVE THE MURDER? WE'LL HAVE THE ANSWER WHEN 20/20 RETURNS SHORTLY. 1 KIA ORA, AND HELLO AGAIN. TONIGHT ON 20/20, WE'RE FOLLOWING THE INVESTIGATION INTO THE SLAYING OF 19-YEAR-OLD UNIVERSITY STUDENT FAITH HEDGEPETH. AT A TOP UNIVERSITY ON A FULL SCHOLARSHIP AND WITH A WIDE CIRCLE OF FRIENDS, POLICE ARE FINDING IT TOUGH TO BREAK THE CASE. NOW SUSPICIONS TURN TO HER FLATMATE AND THE CALL SHE MADE TO EMERGENCY SERVICES, PLUS THE ACCIDENTAL CALL FROM HER CELL PHONE. UNSETTLING MUSIC THE CASE THAT NEARLY EVERYONE ASSUMED WOULD CULMINATE IN A QUICK ARREST IS NOW MOVING AT A GLACIAL SPEED. REPORTER: NEARLY TWO YEARS LATER, AND WITH AT LEAST TWO AGENCIES INVESTIGATING, THERE HAVE BEEN NO ARRESTS. WITH EACH PASSING DAY, FRUSTRATION GROWS. I KNOW THAT POLICE OFFICERS PROBABLY HAVE A LOT OF DIFFERENT CASES, BUT IT'S, LIKE, WHEN IT'S SOMEONE THAT CLOSE, IT'S, LIKE, YOU WANT AN ANSWER. SO TWO YEARS AFTER THE MURDER, PRESSURED BY LOCAL MEDIA, INCLUDING WTVD, THE DEPARTMENT RELEASES HUNDREDS OF PAGES OF DETAILS AND EVIDENCE IN THE CASE, WHICH GIVES THE PUBLIC ITS FIRST REAL GLIMPSE OF THE CRIME SCENE. WHAT WAS SOME OF THE MOST IMPORTANT EVIDENCE THAT YOU COLLECTED FROM THE BEDROOM? THERE WAS A BISCUIT BAG THAT WAS FROM TIME-OUT RESTAURANT. TIME-OUT IS VERY POPULAR IN CHAPEL HILL, AND IT'S IMMEDIATELY IDENTIFIABLE. FAITH HAD GONE OUT THE NIGHT BEFORE, STOPPED AT TIME-OUT AND BROUGHT FOOD BACK TO THE APARTMENT. BUT NOW THAT SAME BAG CONTAINS FIVE ANGRY WORDS. ON THE BAG WAS SOME WRITING THAT SAID 'I'M NOT STUPID BITCH JEALOUS'. WHAT DO YOU MAKE OF THAT? OBVIOUSLY BIG EVIDENTIARY VALUE. THE NOTE IS FOUND ON THE BED. IT IS WRITTEN IN PEN. POLICE SAY BOTH THE NOTE AND THE PEN HAVE THE KILLER'S DNA ON IT, SO POLICE BELIEVE HE WROTE IT. BUT HERE'S A PUZZLE. WHILE THE ROOM IS COVERED IN BLOOD, THE NOTE IS NOT. MY BIGGEST CONCERN ABOUT THE NOTE WAS THAT THERE WAS NO VISIBLE BLOOD ON THE BAG OR ANYTHING. POLICE SAY THE CLEANLINESS OF THE NOTE SUGGESTS THE KILLER'S HANDS, ONCE BLOODIED AFTER USING THE BOTTLE AS A MURDER WEAPON, DIDN'T FLEE IMMEDIATELY. INSTEAD, HE MAY HAVE TAKEN TIME TO WASH HIS HANDS AND WRITE THAT FIVE-WORD SCREED. ADDING TO THE MYSTERY, POLICE CAN'T SAY FOR SURE WHO THE NOTE WAS LEFT FOR. AS TO THE INTENDED TARGET, PER SE, ABOUT THE NOTE, THERE WERE TWO RESIDENTS THERE, AND IT WOULD MAKE SENSE THE NOTE WAS LEFT FOR ONE OF THEM. I THINK THAT KARENA KNOWS WHAT HAPPENED TO FAITH. FAITH'S FATHER, ROLAND, HAS LONG SUSPECTED THAT KARENA IS THE KEY TO THE CASE. HE IS AMONG A GROUP OF PEOPLE WHO FIND HER 911 CALL QUESTIONABLE. FOR STARTERS, WE KNOW THAT KARENA CAME TO THE APARTMENT WITH MARISOL RANGEL, YET MARISOL IS NEVER MENTIONED OR HEARD IN THE CALL. WELL, THE 911 CALL WAS MADE A LITTLE AFTER 11 ON FRIDAY MORNING BY HER ROOMMATE, MS ROSARIO. IT SOUNDED AS IF SHE WERE THE ONLY PERSON IN THE APARTMENT. SHE WAS NOT. COLUMNIST TOM GASPAROLI ALSO FINDS IT ODD FAITH'S NAME IS NEVER UTTERED ON THE EIGHT-MINUTE PHONE CALL. THE CALL WAS TALKING ABOUT 'MY FRIEND'. SHE NEVER SAID FAITH'S NAME. SHE NEVER SAID, 'OH, FAITH. OH MY GOD.' 'WHAT HAPPENED, FAITH?' DOWNSTAIRS NEIGHBOUR JOY SAYS KARENA ALSO HAD A MEMORABLY SERENE DEMEANOUR AS SHE EXITED THE APARTMENT TO AWAIT THE POLICE. THAT'S THE STRIKING THING. YOU WOULD NEVER HAVE KNOWN THAT THEY HAD JUST COME FROM DISCOVERING A` WHAT TURNED OUT TO BE A HORRIBLY BRUTAL MURDER SCENE. ROLAND'S MIND CHURNS WITH QUESTIONS. WAS KARENA EXPECTING TO FIND FAITH'S DEAD BODY THAT MORNING? DID SHE KNOW SOMEONE WAS COMING TO THE APARTMENT THAT NIGHT WITH BAD INTENTIONS? AND FUELLING HIS SUSPICIONS, ANOTHER CLUE THAT KEEPS HIM UP AT NIGHT. STATIC-Y, GARBLED VOICES PLAY YOU'RE LISTENING TO A VOICEMAIL THAT CAME FROM FAITH'S PHONE THE NIGHT OF THE MURDER TO HER FRIEND EUNA CHAVIS. IT WAS PROBABLY UNINTENTIONAL; THE RESULT OF AN ACCIDENT WE'VE ALL MADE. GIRL SPEAKS INDISTINCTLY, STATIC CRACKLES SHE'S NOTORIOUS FOR DOING A BUTT-DIAL PHONE CALL, UH, WHERE SHE ACCIDENTALLY CALLS SOMEBODY WITH THE PHONE IN HER POCKET. SO I JUST ASSUMED THAT WAS WHAT IT WAS. GARBLED SPEECH IF IT SOUNDS UNDECIPHERABLE TO YOU, YOU'RE NOT ALONE. BUT WHEN WE BROUGHT ROLAND INTO WTVD TO TELL US WHAT HE HEARS, HE WAS UNEQUIVOCAL. INDISTINCT VOICES I HEAR SCREAMING IN THE BACKGROUND IT'S FAITH'S VOICE. INDISTINCT AUDIO CONTINUES MORE SCREAMING. AUDIO CONTINUES PLAYING PLEASE. AUDIO RESUMES, PAUSES GET OFF ME. ROLAND'S ASSESSMENT IS SIMPLE. HIS DAUGHTER IS IN GRAVE DANGER. THIS IS MY BABY GIRL'S VOICE, AND I KNOW HER VOICE. THE DISTRAUGHT DAD SEARCHING FOR CLOSURE? MAYBE. BUT FRIENDS HEAR FAITH TOO. I DO HEAR HER VOICE, AND IT DOES SOUND LIKE SHE'S YELLING, MAYBE UPSET, MAYBE TRYING TO GET SOMEBODY'S ATTENTION, BUT SHE DOES MAKE SOME TYPE OF NOISE, AND SHE WAS MY FRIEND. I KNEW HER FOR TWO YEARS, I TALKED TO HER EVERY SINGLE DAY, SO I'M SURE THAT IT WAS HER VOICE AT THAT POINT. WE BROUGHT OTHERS INTO THE STUDIO FOR A LISTEN AS WELL. GASPAROLI SAYS WHAT HE HEARS SOUNDS LIKE AN ARGUMENT. AUDIO PLAYS, PAUSES WELL, RIGHT THERE. POSSIBLY THE TWO ROOMMATES FIGHTING. AUDIO RESUMES AND POSSIBLY A PRELUDE TO MURDER. IT SOUNDS LIKE THERE'S A FEMALE WHO'S VERY ANGRY; VERY INTENSE, SPEAKING IN STACCATO. AUDIO RESUMES POLICE WILL SAY ONLY THAT THE TIME STAMP AND THE VOICEMAIL ITSELF CONFIRMED THAT IT WAS RECEIVED WHILE FAITH AND FRIENDS WERE AT THE THRILL NIGHTCLUB. LISTEN TO WHAT COULD BE MUSIC. INDISTINCT MUSIC PLAYS THERE IS SPEAKING AND/OR MUSIC IN THE BACKGROUND. UH, YOU CAN HEAR CERTAIN PITCHES OF INFORMATION. 20/20 PRESENTED THE TAPE TO A LAB USED BY THE FBI TO SEE IF IT COULD BE ENHANCED. THEY SAY IT COULD NOT. THE VOICEMAIL,... THE 911 CALL,... THE TESTIMONY OF THE DOWNSTAIRS NEIGHBOUR. WE TRIED TO GET SOME CLARITY ABOUT THIS FROM KARENA, SO AFTER NUMEROUS ATTEMPTS TO REACH HER... KARENA? HI, I'M RYAN SMITH WITH ABC NEWS' 20/20. ...WE WENT TO TALK TO HER OURSELVES. I JUST WANNA KNOW IF THERE WAS A CHANCE FOR US TO TALK TO YOU. WE JUST WANNA CLEAR THE RECORD ON THE FAITH HEDGEPETH CASE AND REALLY JUST KINDA GET YOUR STORY OUT. IS THERE ANY WAY THAT WE CAN TALK TO YOU AT SOME POINT? WE JUST HAD NO OTHER WAY TO REACH YOU. SHE DID NOT WANT TO TALK TO US. BUT SHE HAS BEEN TALKING WITH POLICE... A LOT. HOW MANY TIMES HAS THE CHAPEL HILL POLICE DEPARTMENT INTERVIEWED HER? UM, I WOULD ESTIMATE OVER 10 TIMES. HAS SHE BEEN COOPERATIVE? YES. FROM THAT 911 CALL, DID YOU THINK THERE WAS SOMETHING THAT KARENA WAS HIDING? I THINK THAT, UM, THERE WERE QUESTIONS THAT RESULTED FROM THAT 911 CALL THAT WE HAD TO CLARIFY WITH KARENA. AND WHETHER OR NOT, YOU KNOW, SHE IS GIVING US ALL OF THE INFORMATION THAT SHE KNOWS AND/OR, UM, TRUTHFUL INFORMATION, YOU KNOW, CONTINUES TO BE UNDER INVESTIGATION. KARENA ROSARIO. NOW, SHE HAS NEVER BEEN A SUSPECT. POLICE HAVE MADE THAT CLEAR TO US. BUT SHE DIDN'T MENTION FAITH'S NAME ON THE 911 CALL. IS THAT A PROBLEM? NO, AND THE REASON WHY ` WHEN PEOPLE ARE IN CRISIS ` EVERY ONE OF US DO IT ` WE'RE IN A TUNNEL. SO IT'S ENTIRELY POSSIBLE THAT KARENA IS TELLING EVERYTHING SHE KNOWS, AND WHEN THE KILLER IS FINALLY CAUGHT, IT MAY BE SOMEBODY SHE NEVER SUSPECTED? EXACTLY. BUT NOW THE FAMILY ISN'T JUST WAITING FOR THE COPS TO SOLVE THE CASE. THEY'VE TURNED FOR HELP TO SOME PRIVATE INVESTIGATORS, WHO ARE ABOUT TO COME UP WITH THEIR OWN THEORY ABOUT SOMEONE WHO THEY FEEL HAS HANDWRITING RESEMBLING THE LETTERS ON THAT NOTE. COMING UP ` WILL IT BE THE POLICE OR THE PI'S TO TRACK DOWN A KILLER FIRST? AND, REVEALED FOR THE FIRST TIME TONIGHT ` THE DNA-GENERATED FACE THAT MAY LAUNCH A THOUSAND TIPS. WITH THINGS NOW LOOKING NEXT TO HOPELESS FOR FAITH'S FAMILY, THEY TAKE MATTERS INTO THEIR OWN HANDS. THE HEDGEPETHS START THEIR OWN INVESTIGATION, BUT WILL THEY FIND ANYTHING THE POLICE CAN'T? AND THEN THE DNA EVIDENCE AUTHORITIES ARE SHOWING THE PUBLIC FOR THE FIRST TIME. BACK SOON. 1 WELCOME BACK TO 20/20. TONIGHT ` THE HUNT FOR THE KILLER OF 19-YEAR-OLD FAITH HEDGEPETH IS NOT GOING WELL FOR NORTH CAROLINA POLICE. BUT WITH CONFUSION AND CONTRADICTION BETWEEN WHAT THE DNA EVIDENCE SHOWS AND WHAT THE FBI PROFILE OF THE KILLER SUGGESTS, POLICE TRY A RADICAL NEW TECHNOLOGY. IT'S CALLED PHENOTYPING. IT'S THE SCIENCE OF PREDICTING PHYSICAL APPEARANCE FROM STRANDS OF DNA. HUNTER GLASS HAS A MORE DIRECT APPROACH TO CRIMINAL INVESTIGATIONS. HOT DAMN, BAM-A-LAM. ACQUIRE TARGET,... ALWAYS GOTTA HAVE SOMETHING FUN TO SHOOT AT. ...ELIMINATE TARGET. BANG! BANG! BANG! THIS ARMY AIRBORNE VET AND EX-COP, NOW A PRIVATE INVESTIGATOR, HAS BEEN WORKING FAITH'S CASE ON AND OFF PRO BONO FOR THE PAST TWO YEARS. WE'RE GONNA DO IT. WE'RE GONNA GET THE GUYS OR THE PEOPLE INVOLVED IN THIS, I PROMISE YOU. FROM THE BEGINNING, HUNTER HAS THEORISED THAT THE MURDER STEMMED FROM AN ARGUMENT BETWEEN FAITH AND KARENA, POSSIBLY OVER DATING OR RELATIONSHIPS. DO YOU THINK WHAT HAPPENED TO FAITH MAY HAVE STARTED AT THIS CLUB? I BELIEVE IT ACTUALLY STARTED BEFORE THIS CLUB. I JUST THINK THAT FAITH FOUND OUT ABOUT IT AT THE CLUB. HUNTER ALSO THINKS THE INFAMOUS BUTT-DIAL CALL FROM THE CLUB IS EVIDENCE OF A HEATED DISPUTE,.... EVEN THOUGH, AGAIN, POLICE SAY IT'S UNINTELLIGIBLE. INDISTINCT VOICES SOUNDS LIKE 'HELP ME'. IT'S LIKE ALMOST A SCREAM. 'HELP ME'. WHAT'S THE ACCELERANT THAT HAPPENED IN THAT CLUB THAT LED TO FAITH'S DEATH? WELL, IT'S WRITTEN ON THE LETTER. JEALOUSY. I BELIEVE THAT WE MAY HAVE AN ANGRY PERSON WHO'S VERY JEALOUS OF FAITH. BUT HERE'S THE TROUBLE WITH THE THEORY. IT MEANS THE MURDERER WAS PROBABLY A MAN INTIMATELY CONNECTED TO FAITH OR KARENA. AND BY NOW PRACTICALLY EVERY MAN CONNECTED TO THEM AT ALL HAS BEEN SWABBED AND ELIMINATED BY POLICE. 'ELIMINATE' IS A TOUGH WORD. THEY WEREN'T A MATCH. IT DOESN'T MEAN THAT SOMEBODY DOESN'T HAVE FURTHER KNOWLEDGE OR SOMEBODY ISN'T INVOLVED IN` IN FAITH'S DEATH. IT'S REALLY THE CENTRAL CONTRADICTION OF THE WHOLE CASE. DESPITE ALL THE INDICATIONS THE KILLER WAS INSIDE FAITH'S SOCIAL CIRCLE, THE DNA SAYS THE KILLER HAS TO COME FROM SOMEWHERE OUTSIDE; SOMEONE WITH AT LEAST ONE DEGREE OF SEPARATION. TO FIND HIM, HUNTER BRINGS IN FELLOW INVESTIGATOR DAVID MARSHBURN WHAT'S THE GAME PLAN? GAME PLAN IS I KNOW YOU CAN'T` THERE'S NOBODY WHO CAN HIDE FROM YOU, SO WE'VE GOTTA GO FIND SOME PEOPLE. THE DUO DOOR-KNOCK UNTIL THEIR KNUCKLES ARE RAW. AND AS THEY PORE THROUGH CASE DOCUMENTS, THEY TURN THEIR FOCUS ON TO ONE OF KARENA'S OLD FRIENDS ` BRANDON EDWARDS. SHE WAS INVOLVED WITH BRANDON AT ONE POINT. REMEMBER, EDWARDS WAS KARENA'S FRIEND, WHO FAITH TEXTED THAT NIGHT, TELLING HIM TO COME OVER. I WANNA FIND OUT WHERE HE'S WORKING. CAN YOU DO A BACKGROUND ON HIM? EDWARDS HAD BEEN SWABBED AND ELIMINATED AS THE KILLER. BUT MARSHBURN LEARNS THAT AT ONE TIME, HE LIVED WITH AN EX-CON WITH A VIOLENT PAST, SOMEONE WHO POLICE HAVE NOT TESTED YET. WE LOOKED AT HIS CRIMINAL RECORD. HE HAS GOT ASSAULT ON A FEMALE AFTER ASSAULT ON A FEMALE AFTER ASSAULT ON A FEMALE. THE PI'S HEAD TO THAT APARTMENT THE TWO MEN SHARED. THEY GET THE LEASE APPLICATION COMPLETED BY THAT ROOMMATE AND NOTICE WHAT THEY SAY ARE HANDWRITING SIMILARITIES BETWEEN THE WRITING ON THE APPLICATION AND THE WRITING ON THE MURDERER'S NOTE. YOU CAN SEE THE 'N'. YOU CAN SEE THE 'L'. ALL THESE THINGS POINT TO THE SAME DIRECTION AND WAY THE WRITING IS ON THE BAG. MARSHBURN'S NO EXPERT, BUT DURWARD MATHENY IS. SOMETHING THAT STANDS OUT RIGHT NOW IS THE 'E'. IT LOOKED LIKE A 'C' WITH A LINE THROUGH IT. I WOULD BE LOOKING TO SEE IF I COULD FIND THAT KIND OF 'E'. WITH A TRAINED EYE AND DECADES OF EXPERIENCE AS A FORENSIC DOCUMENT EXAMINER, MATHENY AGREED TO TAKE A LOOK AT THE WRITING SAMPLE AT MARSHBURN'S REQUEST. HIM JUST COMMITTING THE MURDER AND WRITING THIS NOTE ` DOES THAT MAKE A DIFFERENCE IN HIS HANDWRITING VERSUS HIM BEING CALM OR NERVOUS? IT COULD, YES. AND ALSO, THE SURFACE THAT HE WRITES ON. IF HE WAS WRITING ON A COUNTER OR AGAINST A WALL OR ON HIS LEG. UH, THIS CAN CHANGE HANDWRITING. JUST OBSERVING AM I ON THE RIGHT PATH, MAYBE? FROM WHAT I'VE SEEN, I DO SEE SOME SIMILARITIES. MATHENY'S PRELIMINARY EXAM SEES ENOUGH SIMILARITIES TO WARRANT FURTHER STUDY OF OTHER SAMPLES FROM THE SAME GUY. MARSHBURN TURNS OVER HIS FINDINGS TO THE CHAPEL HILL POLICE DEPARTMENT. AND EVEN THOUGH THERE'S NO CLEAR CONNECTION BETWEEN THIS MAN AND FAITH, TONIGHT POLICE ARE LOOKING TO GET A DNA SAMPLE FROM HIM TO MATCH AGAINST THE KILLER'S PROFILE. HE COULD BE A SUSPECT IN THIS CASE. I DON'T KNOW. ALL I'M SUGGESTING IS I WOULDN'T HANG MY HAT ON THIS HANDWRITING SITUATION BASED ON THE LIMITED SAMPLING THAT YOU HAVE. BUT THE POLICE ARE PURSUING THEIR OWN LEAD, GENERATED BY SOMETHING SO HIGH-TECH IT MAKES CSI LOOK LIKE SESAME STREET. DNA TAKEN FROM THE SEMEN AT THE CRIME SCENE AND SENT TO PARABON NANOLABS IN VIRGINIA TO COME UP WITH A COMPOSITE OF THE KILLER. WHAT SNAPSHOT IS DOING IS TREATING THE DNA LIKE A BLUEPRINT. BECAUSE IN THAT GENETIC CODE IS THE INFORMATION FOR HOW TO BUILD THAT PERSON. IT'S CALLED PHENOTYPING ` THE SCIENCE OF PREDICTING PHYSICAL APPEARANCE THROUGH DNA. A SNAPSHOT PREDICTS EYE COLOUR, HAIR COLOUR, SKIN COLOUR, FRECKLING, FACE MORPHOLOGY AND THEIR ANCESTRY. SO IS THIS PERSON VERY FAIR, FAIR...? EACH TRAIT PREDICTION COMES WITH A MEASURE OF CONFIDENCE. IN THIS CASE, ALL ARE FAIRLY HIGH. THIS PERSON HAS DARK OLIVE OR LIGHT OLIVE SKIN, BROWN OR HAZEL EYES, MOST LIKELY HAS BLACK HAIR. MOST LIKELY THIS PERSON HAS ZERO FRECKLES, BUT WE CAN'T EXCLUDE THEY HAVE A FEW. WE TYPICALLY SEE THIS PROFILE IN LATINO INDIVIDUALS THE SNAPSHOT IS NOT YOUR TYPICAL POLICE SKETCH. THE 3-D IMAGE LOOKS REAL. THEY'VE BEEN USED IN DOZENS OF POLICE INVESTIGATIONS AROUND THE COUNTRY. NOW, LOOK CLOSELY. TONIGHT 20/20 IS REVEALING FOR THE FIRST TIME THE IMAGE THAT THE LAB AND THE POLICE SAY COULD BE THE FACE OF A KILLER. WE CAN BE VERY CONFIDENT THAT THIS IS NOT A WHITE PERSON, THIS IS NOT A PERSON OF AFRICAN DESCENT. THIS IS A PERSON WHO IS VERY STRONGLY LATINO DO YOU RECOGNISE THIS MAN? AND, CRITICALLY, DO ANY OF FAITH'S FRIENDS? REPORTER: IT'S BEEN NEARLY FOUR YEARS NOW SINCE UNC STUDENT FAITH HEDGEPETH WAS MURDERED, AND HER KILLER HAS STILL NOT BEEN FOUND. WE'VE JUST REVEALED TO YOU THIS REMARKABLE FACIAL COMPOSITE GENERATED FROM THE DNA OF FAITH HEDGEPETH'S MURDERER. TONIGHT, THE QUESTION ` WILL IT MAKE A DIFFERENCE? WILL SOMEONE WATCHING TONIGHT WHO KNOWS THIS MAN AND THE TRUTH FINALLY DECIDE TO SPEAK UP? EVERYBODY OUT THERE HAS A CONSCIENCE, AND SOME DAY, SOMEBODY'S GONNA SAY SOMETHING THAT LEADS US TO THAT ONE BIT OF INFORMATION THAT WE NEED. WE SHOW THE PICTURE TO FAITH'S FRIEND MARISOL RANGEL. THAT DOESN'T EVEN LOOK LIKE ANYONE I KNOW. POLICE SAY KARENA'S SEEN IT, BUT IT DIDN'T RING ANY BELLS. AS FOR THE MEN INVOLVED, ERIQ TAKOY JONES, BRANDON EDWARDS, JORDAN MCCRARY ` NONE OF THEM AGREED TO MEET WITH US. JUST LAST MONTH, A GROUP OF FRESH-FACED FRESHMEN TOOK UP RESIDENCE AT UNC. THEY WILL WALK THE SAME CAMPUS AS FAITH BUT HAVE NO MEMORY OF HER AT ALL. I'VE NEVER HEARD THAT NAME BEFORE. NO, I HAVE NOT. BUT BACK IN HOLLISTER, WHERE FAITH GREW UP, THEY WILL NEVER FORGET. EACH YEAR THE FAMILY HOLDS A FUNDRAISER AND GIVES TWO SCHOLARSHIPS. THEY WANT FAITH'S SPIRIT TO LIVE ON IN OTHER YOUNG WOMEN. THIS IS THE RIGHT THING TO DO TO` TO KINDA KEEP HER NAME, HER MEMORY ALIVE AND DO IT IN A` IN A POSITIVE WAY. AND DESPITE FOUR GRUELLING YEARS, CHIEF BLUE REMAINS RESOLUTE. IF YOU WERE TO PUT A PERCENTAGE ON THIS, WHAT CHANCE DO YOU THINK YOU HAVE OF SOLVING THIS CASE, OF FINDING FAITH'S KILLER? 100%. FOR FAMILY AND FRIENDS, ANYTHING LESS SIMPLY WON'T DO. IF I COULD SAY ANYTHING, I'D PROBABLY SAY, 'I'M SO SORRY THAT THIS HAPPENED TO YOU,' THAT I'M SURE SHE'S ENJOYING LIFE IN ANOTHER UNIVERSE THAT'S MUCH BETTER THAN HERE. WHISPERS: SORRY I CRIED, GUYS. SINCE THIS STORY WENT TO AIR IN THE UNITED STATES, CHAPEL HILL POLICE SAY THEY'VE BEEN INUNDATED WITH NEW INFORMATION AND THEY REMAIN CONVINCED THEY WILL FIND THE KILLER OF FAITH HEDGEPETH. OF COURSE, WE'LL KEEP YOU UPDATED WITH ANY DEVELOPMENTS. THAT'S OUR SHOW FOR TONIGHT. THANKS FOR JOINING US. KIA ORA. NGA MIHI.