Most Evil - Season 2 - Eps 17: Gangs
Gangs. They lure members with promises of respect, money and power. From armed robbery to murder, they are responsible for some of the most brutal crimes. What drives gangsters to kill? Forensic psychiatrist Dr. Michael Stone examines the world's deadliest gangsters, delving into the cases of psychopathic mafia hitman Richard Kuklinski; Paul and Herman Petrillo, who operate a deadly Philadelphia murder ring; Ervil LeBaron, a polygamist Mormon leader who runs his church like the mafia; and Ismael Cisneros, whose affiliation with street gang MS-13 leads him to murder one of his best friends. Dr. Stone speaks face-to-face with Joseph Salcedo, a Los Angeles gangster whose participation in a retaliatory murder landed him behind bars. Using his scale of evil, Dr. Stone analyzes each killer's vicious acts to determine who is most evil.
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.