1Unanswered questions about Robin Brooke's behaviour 12 years continue to swirl around.
2Arthur Allan Thomas's ex-wife wants her name cleared from the investigation which saw him convicted and later acquitted of the Crewe murders.
3Interview with a man who helps people disappear.
4One US scientist is using rap music to make science cool.
5Viewer feedback about last night's story about a man convicted of selling drug equipment.