Most Evil - Season 2 - Eps 4: Unsolved Cases
Dr. Stone's scale of evil has decoded the complex psychology of the country's most notorious criminals. But can it be used to reveal new clues for unsolved crimes? Cold cases, including that of the infamous Black Dahlia, will be reopened as Dr. Stone profiles killers who may still be at large. He'll venture into prison to meet face-to-face with alleged Lipstick Murderer Bill Heirens.
About Most Evil

Title: Most Evil
First Air Date: 2006-07-13
Last Air Date: 2015-02-26
Status: Ended
Rating: 7.9/10 (from 7 votes)
Language: EN
Seasons: 3
Total Episodes: 38
Network: Investigation Discovery
Genres: Documentary, Crime
Production Companies: Unknown
Synopsis
Most Evil is an American forensics television program on Investigation Discovery presented by forensic psychiatrist Michael Stone of Columbia University. On the show, Stone rates murderers on a scale of evil that Stone himself has developed. The show features profiles on various murderers, serial killers, mass murderers and psychopaths.