>>> BREAKING NEWS TONIGHT, PRESIDENT BIDEN DELIVERING A HISTORIC ADDRESS TO THE NATION ABOUT HIS DECISION TO DROP OUT OF THE 2024 RACE SPEAKING FROM THE OVAL OFFICE SAYING HE'S DECIDED THE BEST WAY FORWARD IS TO PASS THE TORCH TO A NEW GENERATION AND MAKING THE CASE FOR THE DEMOCRATIC PARTY'S NEW DE FACTO DOMINI, KAMALA HARRIS. PRESIDENT BIDEN TELLING THE AMERICAN PEOPLE, QUOTE, HISTORY IS IN YOUR HANDS, AND LAYING OUT HIS PLANS FOR HIS FINAL MONTHS IN OFFICE. OUR FULL TEAM COVERAGE. >>> ALSO AS DONALD TRUMP RETURNS TO THE CAMPAIGN TRAIL FOR THE FIRST TIME SINCE MR. BIBLE STUDY DROPPED OUT, NEW VIDEO FROM THE ATTEMPT ON HIS LIFE AND CHILLING NEW DETAILS ABOUT THE GUNMAN. THE FBI DIRECTOR TELLING CONGRESS THAT HE SEARCHED FOR INFORMATION ABOUT THE JFK ASSASSINATION. >>> AND THOUSANDS TAKING TO THE STREETS AS BENJAMIN NETANYAHU ADDRESSES CONGRESS. POLICE IN RIOT GEAR MAKING ARREST. NETANYAHU AND HIS FIERY REMARKS DEFENDING THE WAR IN GAZA BUT DOZENS OF DEMOCRATS BOYCOTTING HIS SPEECH. >>> THIS IS AN NBC NEWS WITH LESTER HOLT. >>> AS PRESIDENT BIDEN EXPLAINED WHY HE GAVE UP HIS CAMPAIGN FOR RE-ELECTION, IN AN OVAL OFFICE ADDRESS THREE DAYS BEFORE ANNOUNCING HIS DECISION MR. BIDEN TAKING THE LONG VIEW OF NOT JUST HIS PRESIDENTIAL TERM, BUT THE LIFE OF A PUBLIC SERVANT AS WELL. THE PRESIDENT DECLARING THAT DEMOCRACY IS AT STAKE. SAYING THE IDEA OF AMERICA LIES IN YOUR HANDS AND ASKING THE QUESTION DOES CHARACTER IN PUBLIC LIFE STILL MATTER? HE TOLD THE COUNTRY WHY VICE PRESIDENT HARRIS WHO HE CALLED A YOUNGER VOICE IS HIS CHOICE TO RUN AGAINST FORMER PRESIDENT DONALD TRUMP. MR. BIDEN SAYING THE BEST WAY FORWARD IS TO PASS THE TORCH TO A NEW GENERATION. >> Reporter: HE DECIDED NOT TO RUN FOR A SECOND TERM AND NOW DELIVERING IT EYE TO EYE WITH THE AMERICAN PEOPLE IN THIS HISTORIC OVAL OFFICE ADDRESS SAYING IN PART TO HIS FELLOW AMERICANS IT HAS BEEN THE HONOR OF HIS LIFETIME TO SERVE AS YOUR PRESIDENT. HE SAYS I DRAW STRENGTH AND FINE JOY WORKING FOR THE PEOPLE BUT IN HIS WORDS, THIS SAKE TANK OF PERFECTING OUR UNION IS NOT ABOUT ME, IT'S ABOUT YOU, YOUR FAMILIES, YOUR FUTURES. IT'S ABOUT WE THE PEOPLE. THE PRESIDENT SAYING HE REVERES THE OFFICE IN WHICH HE SERVES BUT LOVES HIS COUNTRY MORE. HERE'S MORE OF WHAT PRESIDENT BIDEN SAID MOMENTS AGO. >> I GIVE MY HEART AND MY SOUL TO OUR NATION, LIKE SO MANY OTHERS, THAT HAVE BEEN BLESSED A MILLION TIMES IN RETURN WITH THE LOVE AND SUPPORT OF THE AMERICAN PEOPLE. I HOPE YOU HAVE SOME IDEA HOW GRATEFUL I AM TO ALL OF YOU. THE GREAT THING ABOUT AMERICA IS HERE KINGS AND DICTATORS DO NOT RULE. THE PEOPLE DO. HISTORY IS IN YOUR HANDS. IN JUST A FEW MONTHS, THE AMERICAN PEOPLE WILL CHOOSE THE COURSE OF AMERICA'S FUTURE. I MADE MY CHOICE. I MADE MY VIEWS KNOWN. I WANT TO THANK OUR GREAT VICE PRESIDENT, KAMALA HARRIS. SHE'S EXPERIENCED. SHE'S TOUGH. SHE'S CAPABLE. SHE'S BEEN AN INCREDIBLE PARTNER TO ME AND A LEADER FOR OUR COUNTRY. NOW THE CHOICE IS UP TO YOU, THE AMERICAN PEOPLE. >> Reporter: HE SAID THAT INCLUDING PERSONAL AMBITION. THE GREAT THING ABOUT AMERICA, HERE KINGS AND DICTATORS DO NOT RULE, THE PEOPLE DO. HISTORY, THE PRESIDENT SAID, IS IN YOUR HANDS. I WAS STRUCK BY THE DRAMATIC TURN OF EVENTS WE WITNESSED OVER THE COURSE OF A MONTH. LESS THAN A MONTH AGO PRESIDENT BIDEN WAS ON THAT STAGE WHICH ULTIMATELY LED TO ALL THE DRAMA WITHIN THE DEMOCRATIC PARTY AND THOSE CALLS FOR HIS DEPARTURE. ULTIMATELY THE PRESIDENT MAKING HISTORY AND REITERATING AGAIN IN HIS FORMAL REMARKS MOMENTS AGO. >> DEALING WITH A BOUT OF COVID. ALL ALONG THE WAY, PETER, I KNOW THERE WERE PLANS FOR A WHITE HOUSE STAFFER TO JOIN AND WATCH THIS TO WHAT DO WE KNOW ABOUT THE REACTION? >> Reporter: LESTER, YOU'RE EXACTLY RIGHT. AS YOU LOOK AT A LIVE PICTURE OF THE WHITE HOUSE RIGHT NOW, WE COULD HEAR THE LOUD CHEERS AS THE PRESIDENT COMPLETED HIS REMARKS SPEAKING INSIDE THE OVAL OFFICE. PRESIDENT BIDEN EXITING THE OVAL OFFICE GOING INTO THE ROSE GARDEN WHERE HEE ROSE GARDEN WHERE HE WAS GREETED, I'M TOLD, BY HUNDREDS OF WHITE HOUSE STAFFERS INCLUDING THOSE WHO WORK FOR THE VICE PRESIDENT'S OFFICE AS WELL. THE PRESIDENT GREETING THEM WITH A LOUD HELLO AND HUGE CHEERS, I'M TOLD BY THOSE IN ATTENDANCE IT WAS BOTH AN EXHILARATING AND JOYFUL MOMENT BUT ALSO A BITTERSWEET ONE AS THEY ACKNOWLEDGED ONLY SIX MONTHS NOW EXIST IN THE REMAINING TIME THAT HE WILL SERVE AS PRESIDENT. AND PERHAPSING FITTINGLY, THE GROUP THERE GATHERED HIS SUCCESSES WITH ICE CREAM. >> JOINING ME NOW "MEET THE PRESS" MODERATE KRISTEN WELKER. THE PRESIDENT WITH A LONG VIEW OF HISTORY IN THE SPEECH. STANDING ON HIS RECORD, HISTORY IS IN YOUR HANDS. THE IDEA OF AMERICA LIES IN YOUR HANDS, HE SAID. >> THAT'S RIGHT. THIS WAS A SPEECH FOR THE HAD IS TRI BOOKS JUST AS WHEN LBJ ANNOUNCED HE WASN'T GOING TO RUN FOR RE-ELECTION IN 1968. IT'S THE TYPE OF SPEECH THAT WILL BE REPLAYED FOR DECADES TO COME. IT'S CLEAR HE WARRANTED TO SAY HE HAS COME TO TERMS AND COMING TO THE KONG INCLUSION, NOTHING, NOTHING CAN COME IN THE WAY OF SAVING OUR DEMOCRACY THAT INCLUDES PERSONAL AMBITION. STUNNING TO HEAR THAT TERM AND HE PASSED THE TORCH TO KAMALA HARRIS. THIS SPEECH WAS HIS ATTEMPT TO WRITE A FIRST DRAFT OF HOW HE WANTS HIS LEGACY TO BE REMEMBERED. TICKING THROUGH HIS ACCOMPLISHMENTS AND WHAT HE HOPES TO ACHIEVE IN THE NEXT SIX MONTHS. HE ENDED WITH THAT CALL TO ACTION TELLING AMERICANS THAT HISTORY IS IN THEIR HANDS. THAT ZOOMING OUT A LITTLE, THIS COMES AS 87% OF AMERICANS SUPPORT THE PRESIDENT'S DECISION TO STEP ASIDE ACCORDING TO A NEW POLL. THE BOTTOM LINE HIS LEGACY COULD BE DETERMINED BY WHETHER DEMOCRATS DEFEAT DONALD TRUMP IN NOVEMBER. >> ALL RIGHT, KRISTEN, THANK YOU. >>> ALSO TONIGHT FORMER PRESIDENT TRUMP IS HOLDING HIS FIRST CAMPAIGN RALLY SINCE PRESIDENT BIDEN DROPPED OUT OF THE RACE AS THE FBI DIRECTOR REVEALED MUCH MORE ABOUT THE MAN WHO TRIED TO KILL MR. TRUMP. GARRETT HAAKE HAS LATE DETAILS. >> Reporter: TONIGHT, NEW VIDEO SHOWING THE MOMENT A WOULD-BE ASSASSIN FIRED ON FORMER PRESIDENT TRUMP AS PEOPLE SCREAM AND RUN FOR COVER. THE NEW VIDEO COMING TO LIGHT AS FBI DIRECTOR CHRIS WRAY SHARED SHOCKING NEW DETAILS OF THE SHOOTING INVESTIGATION IN TESTIMONY BEFORE A HOUSE COMMITTEE. WRAY REPORTING THAT THE SHOOTER MANAGED TO FIRE EIGHT TOTAL ROUNDS AND REVEALING THIS DISTURBING EVIDENCE EXTRACTED FROM THE SHOOTER'S LAPTOP. >> ON JULY 6th, HE DID A GOOGLE SEARCH FOR, QUOTE, HOW FAR AWAY WAS OSWALD FROM KENNEDY. >> Reporter: IT ALL COMES AS MR. TRUMP HOLDS A RALLY IN NORTH CAROLINA TONIGHT WITH SECURITY TIGHTER THAN EVER. MORE SECRET SERVICE AND LAW ENFORCEMENT AGENTS ON SCENE. PLUS, A ROOF OVER THE CANDIDATE'S HEAD. THERE WILL BE NO MORE OUTDOOR RALLIES THIS YEAR, CAMPAIGN SOURCES TELL NBC NEWS. THE TRUMP CAMPAIGN HAS SEEN A SURGE OF ENTHUSIASM SINCE THE ATTEMPTED ASSASSINATION NOW GEARING UP TO TAKE ON VICE PRESIDENT KAMALA HARRIS. >> WE OFFICIALLY DEFEATED THE WORST PRESIDENT IN THE HISTORY OF OUR COUNTRY. [ CHEERS AND APPLAUSE ] CROOKED JOE BIDEN. >> Reporter: CAMPAIGN SOURCES SAY THE FORMER PRESIDENT CLAIMS TO KEEP ATTACKS ON BIDEN FRONT AND CENTER AND TIE HARRIS TO HER BOSS' RECORD ON ISSUES LIKE IMMIGRATION AND INFLATION. >> SHE'LL DESTROY OUR COUNTRY IF SHE'S ELECTED, SO WE WON'T LET HER BE ELECTED. >> Reporter: MR. TRUMP BOASTING TO REPORTERS TUESDAY, SHE'LL BE EASIER THAN MR. BIDEN TO DEFEAT. >> SHE'S THE SAME AS BIDEN BUT MUCH MORE RADICAL. SHE'S A RADICAL LEFT PERSON, AND THIS COUNTRY DOESN'T WANT A RADICAL LEFT PERSON TO DESTROY IT. >> Reporter: AND SAYING HE'D BE OPEN TO MULTIPLE ADDITIONAL DEBATES. MR. TRUMP ALSO ATTACKING HARRIS IN STARKLY PERSONAL LANGUAGE ON SOCIAL MEDIA AS A LIAR, AND, QUOTE, DUMB AS A ROCK POSTING THIS IMAGE CONTRASTING HEADLINES ABOUT HER RACIAL IDENTITY WITH NO OTHER CONTEXT. SOME HOUSE REPUBLICANS ATTACKING THE VICE PRESIDENT AS A, QUOTE, DIVERSITY HIRE. >> 100% SHE WAS A DEI HIRE. HE SAID HE WAS GOING TO HIRE, AND THEN -- AND SHE DIDN'T -- HER RECORD IS ABYSMAL AT BEST. >> Reporter: EVEN FORMER REPUBLICAN SPEAKER KEVIN McCARTHY WARNING HIS PARTY THAT ATTACK LINE WILL BACKFIRE. >> I WOULD SAY TWO ATTACKS I'VE HEARD REPUBLICANS GIVE THAT ARE TOTALLY STUPID AND DUMB TO DO IS THE DEI ATTEMPT. SHE IS THE VICE PRESIDENT OF THE UNITED STATES. SHE IS A FORMER U.S. SENATOR. THESE CONGRESSMEN THAT ARE SAYING IT, THEY'RE WRONG IN THEIR OWN INSTANCE. >> ALL RIGHT. >> PRESIDENT TRUMP JOKINGLY ASKED HIS CROWD TO STOP BEAST NICE. THE UNITY MESSAGE SEEMS VERY MUCH A THING OF THE PAST FOR THE TRUMP CAMPAIGN. >> OKAY, GARRETT, THANK YOU. >>> ISRAELI PRIME MINISTER BENJAMIN NETANYAHU ADDRESSED A JOINT MEETING OF CONGRESS DEFENDING THE GAZA WAR BUT FACING PUSHBACK FROM SOME U.S. LAWMAKERS AS THOUSANDS OF PROTESTERS TOOK TO THE STREETS. ANDREA MITCHELL HAS MORE. >> Reporter: CAPITOL POLICE DEPLOYING PEPPER SPRAY AT PROTESTERS AGAINST THE WAR IN GAZA WHERE THE HAMAS-LED HEALTHEN MINISTRY SAY PALESTINIANS HAVE BEEN KILLED IN THE LAST TWO DAYS. THE PROTESTERS BLAMING ONE MAN THEY SAY IS PROLONGING THE WAR HAMAS STARTED, ISRAEL'S CONTROVERSIAL PRIME MINISTER BENJAMIN NETANYAHU AT A CRITICAL POINT IN THE CEASE-FIRE TALKS DEFIANT, NOT GIVING THE CONCILIATORY SPEECH HIS AIDES HAD PROMISED THE WHITE HOUSE. >> ISRAEL WILL NOT RELENT. ISRAEL WILL NOT BEND. >> Reporter: IN THE GALLERY OF FREED ISRAELI HOSTAGES, NOA ARGAMANI, RESCUED BY IDF SOLDIERS IN JUNE AND ISRAELI SOLDIERS WOUNDED IN GAZA. NETANYAHU'S MAIN TARGET, IRAN, SPONSOR OF HAMAS, WHICH ATTACKED ISRAEL ON OCTOBER 7th. NETANYAHU ACCUSING THE ANTI-WAR PROTESTERS OF BEING ALLIED WITH HAMAS. >> THESE PROTESTERS STAND WITH THEM. THEY SHOULD BE ASHAMED OF THEMSELVES. >> Reporter: AND CLAIMING MANY WERE FUNDED BY IRAN. >> YOU HAVE OFFICIALLY BECOME IRAN'S USEFUL IDIOTS. >> Reporter: MORE THAN THREE DOZEN DEMOCRATIC LAWMAKERS BOYCOTTED HIS SPEECH. OTHERS SAT IN SILENT PROTEST. THE PRIME MINISTER THANKING THE U.S. FOR ITS WEAPONS. HE ALSO COMPLAINED ABOUT DELAYS, SOMETHING THE U.S. DENIES. >> GIVE US THE TOOLS FASTER, AND WE'LL FINISH THE JOB FASTER. >> Reporter: JONATHAN DEKEL-CHEN WHOSE SON SAGUI WAS CAPTURED ON OCTOBER 7th CALLED THE SPEECH SHAMEFUL. >> OUR EXPECTATION WAS THAT HE, BY VIRTUE OF HAVING COME TO D.C., WOULD BE MAKING A CLEAR COMMITMENT TO ENDING THIS MADNESS AND THIS BLOODBATH IN GAZA AND ALONG THE WAY RETURNING OUR LOVED ONES AND LETTING ISRAEL HEAL. >> Reporter: TODAY ISRAEL WALKED AWAY FROM THE HOSTAGE TALKS UNTIL NEXT WEEK. THE FAMILIES WILL GET THEIR CHANCE TO PRESS FOR A CEASE-FIRE TOMORROW AT THE WHITE HOUSE IN A MEETING WITH BIDEN AND NETANYAHU. LESTER. >> ANDREA MITCHELL IN WASHINGTON, THANK YOU. >>> IN NEPAL INVESTIGATORS ARE TRYING TO FIND OUT WHY A PLANE CRASHED TODAY JUST AFTER TAKING OFF FROM THE AIRPORT KILLING 18 OF THE 19 PEOPLE ON BOARD. JANIS MACKEY FRAYER HAS LATE DETAILS FOR US. >> Reporter: CHILLING VIDEO SHOWS HOW THE PLANE VEERED THEN CRASHED IN NEPAL BURSTING INTO FLAMES AT THE SIDE OF THE RUNWAY. THE CRASH JUST AFTER TAKEOFF FROM KATHMANDU KILLING 18 PEOPLE ON BOARD INCLUDING A CHILD ACCORDING TO THE CIVIL AVIATION AUTHORITY. THE PILOT, THE LONE SURVIVOR, PULLED FROM THE CHARRED WRECKAGE. AIRPORT OFFICIALS SAY THE SAURYA AIRLINES PLANE WAS HEADING TO A RESORT TOWN IN WESTERN TOWN IN NEPAL FOR MAINTENANCE. MOST OF THE PASSENGERS WERE NEPALLY MECHANICS OR AIRLINE STAFF. "THERE WAS NO WAY THAT ANYONE COULD GO NEAR THE PLANE AND HELP OUT WHEN THERE WAS SO MUCH FIRE," SAID THIS EYEWITNESS. IT ISN'T YET CLEAR WHAT CAUSED THE CRASH THAT HIGHLIGHTS NEPAL'S POOR AIR SAFETY RECORD WITH A STRING OF PLANE AND HELICOPTER CRASHES IN RECENT YEARS. EXPERTS SAY UNPREDICTABLE WEATHER AND STRONG WINDS MAKE NEPAL A RISK WITH CONDITIONS AROUND MANY OF THE WORLD'S HIGHEST MOUNTAINS A CHALLENGE FOR MOST PILOTS. GRIEVING RELATIVES WAITED AT THE HOSPITAL TO COLLECT THE DEAD AS INVESTIGATORS COMBED THE DEBRIS FOR ANSWERS. JANIS MACKEY FRAYER, NBC NEWS. >>> IN 60 SECONDS, FRENCH OFFICIALS REVEALING THEY HAVE ALREADY THWARTED POTENTIAL ATTACKS ON THE PARIS OLYMPICS AS WE GET RARE ACCESS TO THE ELITE TEAM SECURING THE CITY. >>> JUST TWO DAYS UNTIL THE OPENING CEREMONY, AND TONIGHT FRENCH OFFICIALS SAY THEY HAVE ALREADY THWARTED FOUR POTENTIAL ATTACKS ON THE PARIS OLYMPICS INCLUDING A PLOT BY A RUSSIAN-BORN MAN TO DESTABILIZE THE GAMES. OUR RICHARD ENGEL TAKES US INSIDE ONE ELITE UNIT AS THEY MAKE LAST-MINUTE PREPS. >> Reporter: ON A RAINY AFTERNOON ON THE OUTSKIRTS OF PARIS, FRANCE'S MOST ELITE COUNTERTERRORIST UNIT PREPARED FOR THE WORST, A HOSTAGE CRISIS DURING THE OLYMPICS. A BUS TAKEN OVER BY A TERRORIST. MAKING AN EXPLOSIVE THE S.W.A.T. TEAM MAKES AN EXPLOSIVE BREACH STORMING IN, KILLING THE TERRORIST, AND RESCUING THE HOSTAGES. THEY'VE BEEN DRILLING LIKE THIS DAILY. TO SAY THAT SECURITY WILL BE TIGHT DURING THESE GAMES IS AN UNDERSTATEMENT. THEY'VE BEEN PREPARING FOR 2 1/2 YEARS FOR THIS. IN ADDITION TO HUNDREDS OF COUNTERTERRORIST SPECIAL OPERATORS WILL BE DRIVING AROUND THE CITY IN ARMORED VEHICLES AND FLYING ABOVE PARIS IN HELICOPTERS, THERE WILL BE MORE THAN 45,000 POLICE ON HAND JUST FOR THE OPENING CEREMONIES, WHICH IS UNPRECEDENTED IN FRANCE. TIGHT SECURITY IS BY NOW A FEATURE AT ALL OLYMPICS, BUT FRANCE HAS A HISTORY. ISLAMIC EXTREMISTS KILLED 86 WITH A TRUCK IN NICE IN 2016 AND WENT ON A SHOOTING RAMPAGE ACROSS PARIS TAKING OVER THE BATACLAN THEATRE DURING A ROCK CONCERT. THIS UNIT RESPONDED TO THE BATACLAN. LESTER INTERVIEWED A COMMANDER JUST AFTER THEY WENT IN. >> THIS IS THE FIRST THING THAT WENT THROUGH THE DOOR. >> EXACTLY. >> Reporter: NOW THEY WORRY ABOUT A REPEAT. ARE THERE ANY PARTICULAR RISKS THAT YOU'RE MOST CONCERNED ABOUT, TOP PRIORITIES? >> I THINK THAT THE WORST RISK IS A MAJOR AND MOVING TERRORIST ATTACK LIKE WE FACED AT THE BATACLAN, SO WE'RE PREPARING FOR ALL THOSE KIND OF SCENARIOS WITH THE WORST CONDITION POSSIBLE. >> Reporter: ANOTHER CHALLENGE, INSTEAD OF BEING IN A STADIUM, THE OPENING CEREMONY WILL MOVE ACROSS PARIS FLOATING DOWN THE SEINE. IT'S EXPECTED TO BE DRAMATIC, ARTISTIC, AND HARD TO PROTECT. TODAY FRANCE SAID, IT'S READY. RICHARD ENGEL, NBC NEWS, >>> AS WE CONTINUE, VICE PRESIDENT HARRIS IS DRAWING ON HER EXPERIENCE AS A PROSECUTOR IN HER PRESIDENTIAL CAMPAIGN. WHY IT COULD BE A DOUBLE-EDGED SWORD NEXT NEXT. >>> BACK NOW WITH MORE ON THE HISTORIC SHAKE-UP IN THE 2024 RACE. WITH KAMALA HARRIS NOW THE CLEAR FRONT-RUNNER FOR THE DEMOCRATIC NOMINATION, HER PAST AS A PROSECUTOR IS IN IT WASN'T ALWAYS CONSIDERED AN ASSET. AS LIZ KREUTZ REPORTS, IT WASN'T ALWAYS CONSIDERED AN ASSET. >> Reporter: VICE PRESIDENT KAMALA HARRIS NOW USING HER EXPERIENCE AS A PROSECUTOR TO TAKE ON FORMER PRESIDENT DONALD TRUMP. >> I SPECIALIZED IN CASES INVOLVING SEXUAL ABUSE. WELL, TRUMP WAS FOUND LIABLE FOR COMMITTING SEXUAL ABUSE. >> Reporter: IT'S A SIMILAR MESSAGE SHE MADE FOUR YEARS AGO DURING HER RUN IN THE DEMOCRATIC PRESIDENTIAL PRIMARY. >> SHE PROSECUTED SEX PREDATORS. HE IS ONE. >> GRAB THEM BY THE -- >> Reporter: BACK THEN SOME PROGRESSIVES DUBBED HER KAMALA THE COP, AND SHE DROPPED OUT OF THE RACE. HER SUPPORTERS ARE HOPING THAT WHAT ONCE WAS SEEN AS A LIABILITY COULD BE AMONG HER BIGGEST ASSETS, DRAWING A CONTRAST BETWEEN HARRIS, THE FORMER SAN FRANCISCO DISTRICT ATTORNEY AND CALIFORNIA ATTORNEY GENERAL, AND MR. TRUMP, WHO IS CONVICTED OF FELONY CRIMES. >> SHE IS WELL EQUIPPED TO PROSECUTE -- I'M GOING TO EMPHASIZE -- TO PROSECUTE THE CASE AGAINST DONALD TRUMP. >> Reporter: BUT AS HARRIS HIGHLIGHTS HER BACKGROUND, IT'S ALSO OPENING UP RENEWED SCRUTINY OF HER COMPLICATED AND AT TIMES CONTRADICTORY RECORD. >> THERE'S MANY CASES IN WHICH KAMALA HARRIS HAS BEEN EXTREMELY WEAK ON CRIME. >> Reporter: REPUBLICANS ALREADY ATTACKING THE SELF-DESCRIBED PROGRESSIVE PROSECUTOR FOR FAILING TO SEEK THE DEATH PENALTY FOR A MAN WHO KILLED A SAN FRANCISCO POLICE OFFICER AND LINKING HER TO STATE POLICIES THEY SAY CONTRIBUTED TO A RISE IN CRIME. >> THAT I WILL SUPPORT AND DEFEND -- >> Reporter: AND YET HARRIS IS AT TIMES HAS ALSO BEEN SEEN AS A LAW AND ORDER PROSECUTOR. AS DISTRICT ATTORNEY, SHE TOUTED AN INCREASE IN FELONY CONVICTIONS AND SUPPORTED POLICIES THAT OUTRAGED SOME PROGRESSIVES INCLUDING CRIMINALLY PROSECUTING PARENTS OF CHILDREN WHO SKIP SCHOOL. >> I DECIDED I WAS GOING TO START PROSECUTING PARENTS FOR TRUANCY. >> Reporter: HARRIS LATER EXPRESSED REGRET OVER THAT LAW, BUT NOW 20 YEARS LATER -- >> I WILL PROUDLY PUT MY RECORD AGAINST HIS ANY DAY OF THE WEEK. >> Reporter: WITH POLLS SHOWING CRIME HAS BECOME A TOP ISSUE FOR VOTERS, HER IMAGE AS A TOP COP IS ONE THE VP SUPPORTERS ARE NOW EMBRACING AS SHE MAKES THE BIGGEST CASE OF HER POLITICAL LIFE. LIZ KREUTZ, NBC NEWS. >>> AND UP NEXT, THE FIRST RESULTS FOR TEAM USA IN PARIS AS COCO GAU >>> THE OPENING CEREMONY IS STILL TWO DAYS AWAY, BUT THE COMPETITION IN PARIS HAS ALREADY KICKED OFF. STEPHANIE GOSK SPOKE TO TENNIS SUPERSTAR COCO GAUFF ABOUT HER HISTORIC OLYMPIC HONOR ALONGSIDE LeBRON JAMES. >> OFF YOU GO. >> Reporter: TONIGHT THE UNOFFICIAL START TO THE PARIS OLYMPICS. TEAM USA LOST TO FRANCE IN MEN'S SOCCER, BUT IN MANY WAYS JUST BEING HERE IS THE WIN. THE LAST TIME THE TEAM QUALIFIED FOR THE OLYMPICS WAS IN 2008. ON A DIFFERENT FIELD, FIREWORKS, ANGRY MOROCCO FANS THREW BOTTLES AND CRASHED THE FIELD AFTER A CONTROVERSIAL CALL STOPPING PLAY FOR TWO HOURS. WITH TWO DAYS UNTIL OPENING CEREMONY, 20-YEAR-OLD TENNIS STAR COCO GAUFF IS FEELING THE MAGNITUDE OF THE MOMENT. >> OH, I WAS NOT EXPECTING THAT. >> Reporter: JUST NAMED THE FLAG BEARER FOR TEAM USA. SURPRISED WHEN TEAMMATE CHRIS EUBANKS BROKE THE NEWS. GOFF WILL JOIN LeBRON JAMES. >> YOU GUYS ARE GOING TO BE AT THE FRONT OF THE BOAT. HOW IS THAT GOING TO WORK? >> I HAVE NO IDEA. I DON'T KNOW IF THERE'S, LIKE, FLAG BEARER TRAINING I HAVE TO GO THROUGH. >> Reporter: AND SHE'S A LITTLE NERVOUS ABOUT MEETING HER BASKETBALL IDOL. >> YOU'RE A BIG BASKETBALL FAN. >> YES, I AM. >> IT'S KIND OF HUGE. >> IT'S VERY HUGE. >> STANDING NEXT TO LeBRON JAMES. >> YEAH, I KNOW.LIKE THIS E T LIKE, THE WORLD IS SO BIG RIGHT NOW. >> Reporter: MEANWHILE PARISIANS ARE DOING WHAT THEY CAN TO NAVIGATE A CITY CENTER EFFECTIVELY SHUT DOWN. FAT TIRE TOUR COMPANY HAS TO ADAPT. >> HAVE YOU HAD TO CHANGE YOUR TOURS? >> COMPLETELY. >> Reporter: OWNER DAVID AND HIS FAMILY SPLIT THEIR TIME BETWEEN AUSTIN, TEXAS, AND PARIS. >> WHAT WOULD YOU SAY IS THE BEST WAY TO GET AROUND PARIS RIGHT NOW? >> WE'RE BIASED. THERE'S THESE. >> AH. >> BIKES. >> Reporter: THEN HE SHOWED ME. ON A BIKE I GOT A TRAFFIC-FREE TOUR OF THE MOST FAMOUS TOWER IN THE WORLD. STEPHANIE GOSK, NBC NEWS, PARIS. >> AND THAT IS "NIGHTLY NEWS" FOR THIS WEDNESDAY. THANK YOU FOR WATCHING. I'M LESTER HOLT. PLEASE TAKE CARE OF YOURSELF AND EACH OTHER. GOOD NIGHT. THANK YOU FOR WATCHING. I'M LESTER HOLT. PLEASE TAKE CARE OF YOURSELF AND EACH OTHER. GOOD NIGHT.