Desc: Inside the Manson Gang: Directed by Robert Hendrickson. With Mary Brunner, Bruce Davis, Lynette 'Squeaky' Fromme, Sandra Good. 'Inside the MANSON Gang' The incredible behind the scenes, exclusive footage and true story of the most notorious white gang in American history, and the Trial of the 20th Century. Robert Hendrickson films the actual Charles Manson Family, over 35 years ago. This is a 25 year old filmmaker's personal journey as finally revealed decades later.