1969 Manson Family murders. 6 dead in shoot-out and fire. Ervil LaBaron breakaway Mormon fundamentalist sect. Estimated 25 deaths associated with the sect. Peoples Temple mass murder-suicide.
Murders remain unsolved.
1983 Fugitive tax protester Gordon Kahl of Posse Comitatus and 2 federal marshals killed in Arkansas shoot-out. The Order neo-Nazi sect. 1985 Faith Assembly, Indiana. At least 90 documented deaths from faith healing and lack of medical attention, including 9 children. 2 sect members murdered in West Virginia and California.