Serial Killers and Criminal Profiling Notes to help with Profiling Project. Typology of Serial Killers. Visionary Feels impelled to commit murder by visions or “ voices in my head. ” Mission orientated rid society of certain types of people eg. prostitutes, runaway kids, racial group etc
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Feels impelled to commit murder by visions or “voices in my head.”
rid society of certain types of people eg. prostitutes, runaway kids, racial group etc
Kill for the pure thrill and joy of it; the majority of serial killers are hedonistic serial killers.
Gains more satisfaction from exercising complete power over his victims, and sexual activity is almost always involved
Victim a targeted stranger
Crime scene reflects overall control
Demands submissive victim
Aggressive acts prior to death
victim or body transported from scene
Associated with psychopathyThe Organized Serial Killer
Victim or location known
Crime scene random and sloppy
Sudden violence to victim
Minimal use of restraints
Sexual acts after death
Body left in view
Evidence/weapon often present
Body left at death scene
Associated with Psychosis
The behavior/expression of fantasy the killer must leave at the scene to satisfy emotional/psychological needs. Goes beyond what’s necessary to commit crime and tells about the offender’s psychological needs and motivation.
Usually consistent and unique
to that killer
In sum, signature is a combination of behaviors, emotions, and thoughts. The signature is sometimes called a "trademark" or "calling card" and reflects a compulsion on the part of criminals to go beyond just committing the crime to "express themselves" in some way that reflects their personality. Douglas & Olshaker (1998:90) define it as "something the offender has to do to fulfill himself emotionally ... it is not needed to successfully accomplish a crime, but it is the reason he undertakes the particular crime in the first place." Signatures usually put the offender at great risk because they must stay at the crime scene longer, so ordinary signature is often hard to detect. At other times, it's obvious, such as when an offender goes to the trouble of leaving a Bible at the scene of the crime.