south, its leader established himself on the fringe of the l.a. music scene. he recorded albums with the family like the aptly named "lie," the love and terror cult. ♪ manson's passion for music translated into an obsession with the beatles' 1968 song "helter-skelter." >> to manson it meant that the beatles wanted to have a worldwide revolution, blacks against whites. >> reporter: aiming to launch the fabricated war, manson directed his disillusioned clan to kill. on august 9th, 1969, four manson followers invaded the hollywood hills home of actress sharon tate, where they massacred five people. the 26-year-old starlet was 8 1/2 months pregnant. the next night the clan brutally murdered los angeles couple leno and rosemary la bianca. at both homes they left behind shocking murder scenes. >> when those words "helter-skelter" were found