Trained to Kill: The Dog Trainer, the Heiress...

Did a father use his six-year-old son as an alibi for murder? A son grapples with his parents’ troubled past. This episode last aired on 4/14/2025. 

For decades, Maurice Pierce, Robert Springsteen, Michael Scott, and Forrest Welborn lived under the shadow of the Yogurt Shop Murders, a crime that left an indelible mark on Austin and forever changed the lives of the the families of the victims: Eliza Thomas, Amy Ayers, and sist ...  Show more

Mark Stover trained the dogs of the rich and famous. When Linda Opdycke, the daughter of a multi-millionaire, hired him to train her new attack dog, they started combining business and pleasure. Their partnership lasted for more than a decade before disputes between the two rippe ...  Show more

Police arrive at a shooting, and discover the victim's husband is a homicide detective who says his wife shot herself. Investigators turn to a forensic scientist and ballistics expert to learn what really happened and who was responsible.To learn more about how HLN protects liste ...  Show more

In this episode, Payton and Garrett explore the tragic case of Amie Harwick, a therapist found dead after a brutal attack. Detectives uncover evidence of relentless stalking by a former partner. They delve into Amie's past for clues to her tormentor's identity and the motive behi ...  Show more

In 2022, a 25-year-old Hannah Pettey got away with her life and her kids–an extremely lucky end to the situation she was in. Her husband, 36-year-old Brian Mann was charged with attempted murder after authorities say he was trying to poison Hannah with lead. How did Mann get his ...  Show more