publicity. young girls supposedly under the spell of a bearded svengali, who allegedly masterminded the seven murders. >> the '70s is a decade of just brutal violence on every front and anywhere that you look in america. >> at the time of a mass murder, there's a lot of media coverage. but usually after a brief period of time, the identity of the perpetrator tends to fade from the public's consciousness. but not so with the manson case. it was the biggest publicity case the d.a.'s office had ever had. >> the manson trial begins the 1970s on such an evil, sadistic note. seven innocent people died. steve parent, a teenager. abigail folger, folger coffee. jay sebring. wojchiech frykowski. the labiancas. and sharon tate. >> all of you know how beautiful she was. but only a few of you know how