In October 1969, the Manson family was arrested for auto theft and Squeaky was rounded up with the rest of the gang. By this time, some of the group members had participated in the infamous murders at the home of actress Sharon Tate and the murders of the LaBianca couple. Squeaky had no direct involement in the murders and was released from prison. With Manson in jail, Squeaky became the head of the family. She remained dedicated to Manson, branding her forehead with the infamous "X".

