Tate  and  Leno and Rosemary LaBianca  by  Charles Manson  and his "family" of followers, claiming to have been  inspired by Beatles' Songs  such as " Helter Skelter ", has been seen as contributing to an anti-hippie backlash.  At the end of the year (i.e. 1966), the  Altamont Free Concert  in California, headlined by