in less than a week, bobby beausoleil was pulled over driving one of gary hinman's cars, where policeife. beausoleil called manson from jail demanding help and saying he hadn't ratted on him yet. jeff gwynn believes manson decided on a plan to spring beausoleil and save his own skin. >> family members at spahn ranch are talking about what's happened to bobby. he's in prison, what's going to happen? how can we break him out? >> they did hatch a plan so horrible that the name charlie manson would be famous all right. not as a star but as a symbol of evil. >> coming up -- helter skelter, a night of madness and murder. >> sharon tate quite naturally is screaming. she's begging not for her life but for her baby's. susan atkins says, "bitch, i have no sympathy for you." >> when "dateline" continues. find your rhythm. your happy place. find your breaking point. then break it. every emergen-c gives you a potent blend of nutrients so you can emerge your best, with emergen-c. protect your pet with the #1 name in flea and tick protection. frontline plus. trusted by vets for nearly 20 years. >>>