What is the main idea of this Manson still wasn't connected to the Tate-LaBianca murders until family member Susan Atkins, who'd confessed to being connected to the Hinman murder, told other women in jail that she was involved in the two massacres. Suddenly, the evidence started to make more sense. All of the family members who'd participated in the murders were already in jail — it was simply a matter of building the case against them.