The seemingly sweet landlady Dorothea Puente hid a secret as she turned her boarding house into a death trap for those who trusted her.

Examines the case of Patrick Kearney, labelled the Trash Bag Killer, who lured young men in California before committing heinous murders.

Examines the case of Phillip Austin, a man who brutally murdered his wife and two children in Northampton.

Robert Berdella, famously known as The Butcher of Kansas City, lures men into his home where he subjects them to unimaginable torture and murder.

In October 1986, Brighton was grappling with fear after the discovery of two nine-year-old girls murdered in the woods. Despite his arrest, Russell Bishop managed to avoid justice due to lack of evidence, and went on to attack another young girl.

Billy Dunlop murdered 22-year-old Julie Hogg in her Billingham home in 1989 and almost walked free after two murder trials. However, Julie's mother overturned the law and made sure he is convicted of the crime he committed.