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.

The sister-in-law and brother of Surjit Athwal talk about her murder in a so-called `honour killing', discussing what went wrong and how two families were torn apart.

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.

Relatives of serial killer Jo Dennehy reveal how her shocking crimes impacted the family. Were there any signs of her murderous intentions?

Relatives of serial killer Robert Maudsley reveal how his shocking crimes impacted the family. Were there any signs of his murderous intentions?

Relatives of Steve Wright, the so-called Suffolk Strangler, reveal how his shocking crimes impacted the family. Were there any signs of his murderous intentions?

Relatives of the Genesee River serial killer, Arthur Hutchinson, reveal how his heinous crimes impacted the family. Were there any signs of murderous intentions?

Relatives of serial killer Bobby Joe Long reveal how his shocking crimes impacted the family. Were there any signs of his murderous intentions?

Relatives of `The Pillow Pyro' John Orr reveal how his shocking crimes impacted the family and community, and discuss whether there were any signs of his murderous intentions.

A house fire claims the lives of two young boys and their father, Darren Sykes. On further investigation, police uncover a horrific act of revenge.

Richard Matt tortured, strangled and dismembered his former boss. It wasn’t long before he killed again and was thrown into prison. Whilst in prison, he wrote letters to his daughter Jamie. Jamie tells her story of discovering her father was a murderer.

Mark Latunski murdered a man in a cannibalistic sex game, hanging his naked corpse from the ceiling in his home. That house had previously been home to Mark’s ex-wife Emily and her four children, before Mark turned from a loving family man into a killer.