Crimes That Shook Britain

In this episode, we focus on those criminals who have been brought to justice for one crime only to be released to commit further terrible acts.

A sex trafficking ring was uncovered in UK. In a horrific catalogue of abuse, girls as young as 13 were raped and tortured by a gang of men.

Joanne Dennehy is the first woman in the UK to be handed a life sentence for the brutal murders of three innocent men.

PC Keith Blakelock was brutally murdered during a riot on a housing estate triggered after a black woman died of heart failure during a house search.

Peter Tobin is one of the most notorious serial killers in the UK. From 1991 - 2006 he raped and murdered three young girls.

Double murderer, John Sweeney, brutally murdered two of his girlfriends, dismembered their bodies and dumped them in canals.