On the day Stephen Lawrence would have turned 50, how there may be an opportunity to secure justice.

Baroness Lawrence said images of her son's disturbed grave had appeared on social media

Matthew White told police he had a “girlfriend” who was a child, but no action was taken against him.

The teenager was murdered in April 1993 in a racist attack in south-east London.

A decision not to prosecute the four retired officers was upheld by the CPS after it was challenged.

An independent police force will review the case, after Stephen's mother called for it to be reopened.

It says the failure to answer questions raised by a BBC investigation is "totally unacceptable".

Baroness Doreen Lawrence tells the BBC she wants the investigation her son's murder to be reopened.