In this Dateline classic, life seemed perfect for Mark Stover. He had a successful career as a “dog trainer to the stars” on a beautiful island paradise. After a tough divorce, he’d recently found love again. Yet friends said he walked around in a constant state of fear. Could he sense the danger no one else could see? Keith Morrison reports. Originally aire ... Show More
Yesterday
Talking Dateline: Simply Diabolical
Keith Morrison sits down with Dennis Murphy and Dateline producer Michelle Madigan to discuss their episode, “Simply Diabolical.” In May 2016, 29-year-old Michelle Hadley allegedly sent several threatening emails to her ex-boyfriend, Ian Diaz, and his new wife, Angela. But it was ... Show More
24m 7s
Aug 24
What happened to Niqui McCown? Preview Dateline: Missing In America Season 5
Hey Dateline fans, here's a special preview of the next episode of Dateline: Missing in America Season 5. In “No Ordinary Sunday,” Josh Mankiewicz reports on the disappearance of 28-year-old Marilyn “Niqui” McCown, who vanished in Richmond, Indiana, on July 22, 2001, just weeks b ... Show More
2m 26s
May 2025
Trained to Kill: The Dog Trainer, the Heiress and the Bodyguard
Mark Stover was a talented dog trainer, better known as the dog whisperer of the Pacific Northwest. He was charismatic and attracted the attention of wealthy blonde heiress Linda Opdyke. They built a business together, along with a marriage. But Linda said Mark also had a dark si ... Show More
27m 38s
Feb 2022
The Murder of Mark Stover
In 2009 Mark Stover’s professional life was thriving. He owned a successful dog-training business, he worked for famous clients, and he was known as “The dog whisperer of the pacific northwest.” At the same time, his personal life was falling apart. A divorce, a stalking convicti ... Show More
1h 3m
Apr 2025
Introducing Trained to Kill
Join 48 Hours correspondent Peter Van Sant for "Trained to Kill: The Dog Trainer, the Heiress, and the Bodyguard," a gripping six-episode podcast that unravels a dark story — Mark Stover was a talented dog trainer, better known as the dog whisperer of the Pacific Northwest. He wa ... Show More
2m 27s
Apr 2025
Puppy Love | Trained to Kill
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
27m 38s
May 2024
The Suppressor (PODCAST EXCLUSIVE EPISODE)
<p>On a hot summer night in Arizona, a man slept soundly in his second-floor bedroom with his beloved pit bull terrier curled up at his feet. Suddenly, the dog’s ears perked up. A sound came from the roof, then the bedroom window shattered and sent glass flying across the room. B ... Show More
43m 39s