>> charlie believed there was going to be a revolution the black against the white. >> he told his family the blacks would win this war but black only know what white tells them to do he said they would have to turnover power to the white people that survived helter-skelter manson and his family. >> greta: manson said the family's only hope of survival was here in death valley. 200 miles east of l.a. temperatures regularly soared to 115° in summer. in this landscape, manson claimed they would find a bottomless pit. >> somehow, some way, charlie was convinced they were going to find in gateway this hole in the ground. >> greta: manson convinced his follow there's helter-skelter was coming down fast. manson's control over the family had become mind-boggling.