Many people will remember the murders of Holly Chapman and Jessica Wells in Cambridge for the heart breaking photograph of the two eleven year old friends in Manchester United football shirts.

Involving over 700 police officers, the investigation was one of the biggest manhunts in history.

The case had such an impact that it changed the law forever.

True crime author, Thomas Grant QC talks to Olly Jarvis about the police investigation, subsequent trial of Huntley for murder, Maxine Carr on a lesser charge, and the ways in which the case resulted in legal reforms.