According to scientists, serial killing is a result of suppressed empathy along with damages to emotional impulses in the brain.
Kidnapping women, raping them and then dismembering them was how Ted Bundy got off! All of his victims were female and he kept their heads as souvenirs.
Gary Ridgway claims to have killed about 70 women; however, only 49 were confirmed during the 1980s to 1990s. He was convicted with life imprisonment!
The man Ed Gein had an abusive childhood with a psychotic mother and an alcoholic father!