Based on the horrifying actual events of American serial killer Edmund Kemper, who murdered his grandparents at age 15 and, after being paroled, killed eight more women throughout 1972 and 1973 – including his own mother.
as Ed Kemper Jr.
as Ed Kemper
as Maude Kemper
as Sally Hallett
as Fr. Arness
as Huey P. Newton
as Hen
as Dr. Fillmore
as Mary Ann Pesce