" The family moved on to Topanga Canyon and settled in a wreck of a house called the Spiral Staircase, famous for being a community center of sorts for the area’s spiritual gurus and minor cults. The Spiral Staircase was a hang-out for L.A.’s rich and famous icons of counter-culture. Jim Morrison, members of the Mamas and the Papas, and Jay Sebring were all said to get high at the Spiral Staircase, and Manson was drawn by the place’s starry reputation. However, the Manson Family stayed at Spiral Staircase for just two months. Manson didn’t like the other gurus who represented competition for his girls’ affection and pulled away from the satanic and sex fetish elements of what went on at Spiral Staircase. Manson piled his family back into the school bus and, with the Beatles’ Magical Mystery Tour as their soundtrack, drove them through the Mojave Desert. In the winter of 1967, Manson attracted a new follower. Fourteen-year-old Diane Lake had grown up on a commune called Hog Farm and had her parents’ permission when she joined the Manson Family. Diane was Manson’s favorite for the first year she was with him, and while he continued to have sex with all of his girls, he chose Diane most often. It’s unclear how long Manson had been physically abusing Mary, the mother of his child and ostensibly the very first Manson girl, but once Diane was on the scene it seems Manson took out his frustration on Mary more often. Mary could often be seen sporting a black eye, and it was Manson’s brutalizing of Mary that "

― Hourly History , Charles Manson: A Life From Beginning to End