Serial Killers By Gender
Age of Serial Killer by Date
Active Serial Killers by year
Serial Killers by Country
Years of School Completed
Killers IQ

104.8 Average

160 maximum

64 minimum

72 included

Highest Degree Achieved
Birth Category
Sexual Preference
Manner of Death
Killers By Astrological Sign
Killers By Birth Month
Statistical Boolean Questions