The Aftermath: 6

When celebrity dog trainer Mark Stover disappeared from his home in Washington State, leaving behind a scene covered in blood, no one knew if Mark was the victim or the perpetrator. As detectives unraveled the clues, they discovered a twisted story fueled by a love triangle betwe ...  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

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

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

Original Air Date: 4-25-2007Oprah dedicates a show all about dogs. How to train them, feed them and love them. She introduces her personal dog coach, Tamar Geller, who's revealing a powerful new training method Oprah has been using for over a year and a half — and swears by. Plus ...  Show more

Cesar Millan is known for training dogs on TV. What’s less well-known is that he migrated illegally to the US from Mexico and slept rough before making his name. For the past two decades, Cesar Millan has appeared on television sets around the world. His hit shows centre on his i ...  Show more