Edmund Kemper: The True Story of a Brutal American Serial KillerTerrible childhoods do not excuse murderous behavior.
John Wayne Gacy is said to have had an al.
Ted Bundy did not know his biological father, was raised by grandparents and thought his mother was his sister, and both mother and son were reportedly both regularly beaten up by the man of the house.
But it is worth noting that a lot of Serial killers suffered dysfunctional and sometimes Brutal home lives in their formative years.
Edmund Kemper: The True Story of a Brutal American Serial KillerTerrible childhoods do not excuse murderous behavior