Former FBI agent John Douglas, the inventor of criminal profiling, leads a journey into the minds of the 20th Century's most notorious killers, including Charles Manson, John Wayne Gacy, and Jeffrey Dahmer.

Documentary on Charles Manson and his family. Has a number of insightful interviews with many family members most notably Squeaky and Sandy (Blue and Red). There is also a history of Manson from his birth to the family formation to the Tate/La Bianca murders. Plenty of footage of the family playing at Spahn Ranch.

影片是根据1969年震惊全美的曼森家族杀人案改编，这个杀人案的被害人是当时著名的好莱坞女星莎朗·塔特和她的4位好友。1969年的8月9日，因为丈夫罗曼·波兰斯基远在欧洲拍片，已有8个月身孕的莎朗邀请4位朋友到自己比弗利山庄的豪宅度周末，这本该是个快乐的周末。结果，塔特怀孕8个月的胎儿随母亲被活生生地勒死；4位在她家度周末的朋友也难逃一劫，更残忍的是，他们都死得血肉模糊，面目全非；豪宅鲜血淋淋；快乐周末骤眼间变成了死亡周末。

1969 年8月，查尔斯·曼森的信徒依照他的命令杀死了7个人。这究竟是为什么呢?让我们来探讨一场精神控制、中情局实验和谋杀的阴谋。