Helter Skelter (scenario)
The Helter Skelter scenario is an apocalyptic vision that was supposedly embraced by Charles Manson and members of his Family. At the trial of Manson and three others for the Tate–LaBianca murders, the prosecution presented it as motivating the crimes and as an aspect of the case for conspiracy.
Source: Wikipedia — Helter Skelter (scenario) (CC BY-SA 4.0)