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serial killerA person who murders 3+ people over a period of > 30 days, with a n inactive period between each murder, and whose motivation for killing is largely based on psychological gratification.
Prototypic serial killer (US)
White; age 30; 97% male; 80% sociopathic.
Arson tendencies, compulsive, drug and/or alcohol-abusing parents, often victims of cruel/abusive parenting, evidence of biochemical and/or genetic defects, history of sexual assault, drug or alcohol abuse, cruelty to animals, interrupted/absent happiness during childhood, pathological lying, sexual deviancy, suicidal tendencies, ritualistic behaviours, possible feeling of powerlessness to prevent killing, may have a history of perinatal head trauma, severe memory disorders.