Louis ‘Lepke’ Buchalter: The Head of Murder, Inc.

The only major American mob boss to receive the death penalty, he turned contract killing into a corporate business.

• Murder, Inc.: He founded and led the infamous enforcement arm of the Mafia, responsible for hundreds of contract killings.
• The Manhunt: He became the target of one of the largest manhunts in FBI history before being tricked into surrendering by Walter Winchell.
• The Chair (1944): Convicted of murder, he was executed in the electric chair at Sing Sing prison, reportedly remaining stoic to the end.