Sara Kettler

A Manchester, England doctor murdered at least 215 patients (though suspected in 284 deaths) using diamorphine between 1975 and '98, making him one of the most prolific serial killers in history.

Murder, deception and suitcases at sea. Why did Melanie McGuire murder her husband Bill McGuire? And what is her life like in prison?

Barbara 'Bonnie' Graham's 1953 death sentence in California is reexamined by former prosecutor Marcia Clark, who believes she didn't receive a fair trial.

Dennis Bowman confessed in 2019 to killing his adopted daughter, Aundria, after a long-unsolved disappearance in 1989. It wasn't until Bowman's arrest in another cold case that authorities were finally able to locate Aundria's remains.

In 2020's McGirt v. Oklahoma case, the Supreme Court upheld the Muscogee Nation's reservation status, restoring tribal land rights and shifting criminal cases to federal or tribal courts in Oklahoma.

Frank Figliuzzi, former FBI assistant director for counterintelligence, on his book 'Long Haul: Hunting the Highway Serial Killers' on how murders by truckers have changed over the years.

Reporter Philip Eli on his book 'Prescription for Pain' and how a doctor with three decades of experience as a pediatrician and emergency room physician wound up with a life sentence.

Rodney Alcala, also known as the 'Dating Game Killer' isn't the only killer, or even serial killer, to go on a game show. Experts speak about why some killers wanted to compete on TV.