Deadliest Mums & Dads, A Father's Night of Revenge

When Marcus Wesson is confronted by police in a custody dispute, it ends with nine of his children dead in an effort to stop his dark family secrets being exposed. Marcus's son, Serafino, talks about that terrible day, and his father's reign of terror.

Steven Sueppel appears to have a dream life in Iowa City, Iowa. He has a great job, a loving wife and four children. But when he gets into financial difficulty, and is charged with fraud, Steven can't see a way forward for him or his family.

The shocking story of a violent man and a double murder carried out in revenge after Chrissie Chambers leaves her partner, David Oakes. And the brave young girl who managed to escape the house where her mother, and sister were killed.

An abusive and vengeful father lures his sons, Jack, 12, and Paul, 9, to his house. Little do they know that he's planning a devastating act of revenge. Powerful testimony from their mother, Claire Throssell, leads this heartbreaking story.

A 5-year-old's death in a hospital appears to be a tragedy. But doctors suspect his mother, Lacey, is involved. Police uncover a horrifying truth: Lacey has been poisoning her son and using his illnesses to gain public sympathy on social media.