Before, during and after the discoveries at 25 Cromwell Street as remembered by his brother Doug and his daughter Fred's niece, Sam who was 11 at the time. Despite many family visits the ‘The House of Horror' – 25 Cromwell Street none of the family suspected what had been going on there for years.

Richard Ramirez's niece, who grew up not knowing about her uncle's terrible crimes, tells her story. She explains how her parents stood by Ramirez, costing them their marriage.

Ian Huntley's ex-girlfriend and daughter tell their side of the story. The pair explain how Huntley abused them for years, before they eventually ended all contact with him.

Levi Bellfield's ex-partner reveals what life was like with the serial killer. Bellfield killed Milly Dowler in 2002, and was also responsible for at least three more deaths.

Phillip Fraser's daughter talks about the murderer, who killed his ex-wife in 1997, before stabbing another former partner to death while out on licence.