Watch Most Evil Season 1 Full Episodes

In his quest to understand evil, Dr. Michael Stone travels across the United States to meet some of the country's most notorious killers in person....

Is there a recipe for creating a serial killer? An explanation for why someone would commit such heinous acts? Science has long avoided the concept...

Engineers of the most diabolical plots; killers with the most deviant desires -- Columbia University forensic psychiatrist Dr. Michael Stone explores...

What lies in the mind of the psycho killer? Ed Gein robbed graves to harvest the skin of his victims. Arthur Shawcross strangled prostitutes and ate...

Why do people kill together? How do the evil thoughts of one become the evil deeds of two? We probe the physiology of love and the power of authority...

More than 90 percent of murders are committed by men. But what motivates the women who are driven to kill? Most female murderers kill those closest...

The most notorious killers -- Bundy, Gacy, Ridgway, Sells -- have claimed hundreds of victims and share one thing in common. They are all...

"Killer Lies" looks at recent history's most deceptive killers, including Susan Smith, who claimed her sons had been kidnapped, and John List, who...