“The Casanova Killer” Pt. 2 – Paul John Knowl...

Desperate to fit in, a teenage girl targets the most popular student at her school. The way she sees it, they can either be friends – or enemies. Sources for this episode include:“Death of a Cheerleader” by Randall Sullivan, reprinted in Best of Rolling Stone A Killer By Design b ...  Show more

When a young model vanishes in Italy, the story seems disturbingly familiar—until her sudden reappearance raises more questions than answers. As investigators dig deeper, a case that looked open-and-shut twists into something far stranger.Sources for this episode include:Chloe Ay ...  Show more

During the funeral of his wife, Allene, David Lamson sat in a jail cell, the prime suspect in her murder. A forensics pioneer came to his defense in an attempt to prove that her death was an accident. But prosecutors felt that between his temper and his alleged affair, he had a m ...  Show more

Elizabeth Short’s gruesome murder is the LAPD’s most infamous unsolved case. But there’s one person who thinks he’s cracked it — the alleged killer’s own son. Today, we reopen the case against George Hodel, a certified genius and once-celebrated doctor who rubbed elbows with note ...  Show more

In July 1984 the body of an unidentified young woman is found in a Los Angeles parking lot. Veteran homicide detective John St John investigates. When a teenage girl goes missing a week later, St John believes the two cases are linked and that there’s a serial killer on the loose ...  Show more

The so-called 'Genius' Killer was a murderer who seemed to be both philosopher and psychopath, whose brain was one of the largest ever recorded. But was Edward Rulloff really as smart as all that?

Maddy tells Anthony the story of a husband who murdered his wife and c ...