
There may or may not be evidence of sexual contact present at the crime scene. Sexually-based is a motivation driven by the sexual needs or desires of the offender.The condition may include auditory and/or visual hallucinations and paranoid, grandiose or bizarre delusions.

#WHAT MAKES A SERIAL KILLER A SERIAL KILLER SERIES#
However, with all this said the basic definition of serial killings involve a series of three or more killings, which due to. Also a mass murderer normally takes multiple victims at one time, or involving one incident. For example, murder may be perpetrated by a drug gang in order to eliminate its competition. Reporter and author Claudia Rowe became obsessed with a serial killer. The main difference between a serial killer and a mass murderer is whether there is a cooling off period between victims. Criminal enterprise is a motivation in which the offender benefits in status or monetary reward by committing murder that is drug, gang or organized crime-related.Anger is a powerful motivation in which the offender displays rage or hostility toward either a certain subgroup of the population such as the homeless or society as a whole.As concisely reported by the FBI in 2005, they are listed below.

The categories are not intended to be a complete measure of serial offenders, nor are they intended to comprise a theory of their motivation.
