Analyzing the Crime Scene


I. Crime Scene

A. Full of information

      1. Physical evidence

a. Blood splatters

b. Fingerprints

c. Semen

2. Nonphysical factors

            a. Some profilers believe these factors to be the most important.

i. Help profilers deduce a lot of information about the suspect (e.g., such as race, sex, employment status, and residence)

      B. The evidence can point to a lust typology of the offender

                  a. Whether disorganized asocial or organized nonsocial (see below)

                  b. Weapons used or taken

      C. Relationship to victims

                  a. Disorganized asocial offender – no ties to the victim

i. No talking to victim

ii. Just the act alone satisfies them

                  b. Organized nonsocial offender – targets strangers for victims

i. Once a victim is in the “comfort zone” of the offender conversations start between the offender and victim.

ii. Use fear and weakness

iii. Often times use restraints

iv. Viciously attack victims prior to death


II. Psychological Profiling Typology

A.    Two types

a.       Disorganized Asocial Offender typology


Personal Characteristics

Postoffense Behavior

Interview Techniques

Below-average intelligence

Returns to crime scene

Show empathy

Socially inadequate

May attend victim’s funeral or memorial

Introduce information indirectly

Unskilled worker

May place “in memoriam” in newspaper

Use counselor approach

Low birth-order status

May turn to religion

Interview at night

Father’s work unstable

May keep diary or news clippings


Received harsh/inconsistent discipline in childhood

May change residence


Anxious mood during crime

May change job


Minimal use of alcohol

May have a personality change


Lives alone



Lives/works near crime scene



Minimal interest in news media



Significant behavioral change






Poor personal hygiene



Secret hiding places



Usually does not date



High school dropout






























b. Organized Nonsocial Offender


Personal Characteristics

Postoffense Behavior

Interview Techniques

High intelligence

Returns to crime scene

Use direct strategy

Socially adequate

Volunteers information

Be certain of details

Sexually competent

Police groupie

Be aware that offender will admit only to what he must

Lives with partner

Anticipates questioning


High birth-order status

May move body


Harsh discipline in childhood

May dispose of body to advertise crime


Controlled mood



Masculine image






Situational cause



Geographically mobile



Occupationally mobile



Follows media



Model prisoner





















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