1. Serial Killers

2. Mass
Spree
Serial
# of victims 4+ 2+ 3+
# of events 1
# of locations
Cooling off period no
yes

4. General Serial Killer Profile
Demographics – Average age is 29.1
• Males
– 28.9 is average age at first kill
• 9 is the youngest (Robert Dale Segee)
• 72 is the oldest (Ray Copeland)
– Jesse Pomeroy (Boston in the 1870s)
• Killed 2 people and tortured 8 by the age of 14
• Spent 58 years in solitary confinement until he died
• Females
– 30.3 is average age at first kill
• 11 is youngest (Mary Flora Bell)
• 66 is oldest (Faye Copeland)

5. What is criminal profiling?
Construction of a psychological, behavioral and demographic profile of the type of person likely to have committed the crime
Usually applied to serial crimes (serial murders, serial rapes…)

6. What to look for Signature
Signature - something done to fulfill or satisfy the offenders emotional state
Not the same as Modus Operandi
Modus Operandi - what is needed to complete the crime

31. The Lust Murderer: subtype of a serial killer
Sadistic and brutal crime
Committed almost exclusively against women
Two types of offenders:
Organized Nonsocial
Disorganized Asocial

32. Organized Nonsocial Indifferent to the well-being of others
Self-centered and narcissistic
Manipulative and cunning
Lives away from crime scene
Crime appears controlled, methodical
Pre and post-mortem mutilation and torture

33. Organized Nonsocial Evidence of necrophilia
Returns to crime scene to see status of investigation
Wants his crime to outrage the community; feels he is “getting even” with society

34. Disorganized Asocial Described by others as a “loner”
Inexperienced in relationships, unable to socialize
Crime is committed in a frenzied manner
Lives close to crime scene because he feels safe and secure in his own neighborhood
Weapon of opportunity - demonstrates lack of plan

35. Disorganized Asocial Post-mortem mutilation
Biting or slashing of breasts, genitals
Insertion of foreign objects
“an inquisitive child with a new toy”
Exploring how body works
Returns to crime scene often to continue mutilation