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Crime Classification Manual (CCM)

Definition

The FBI taxonomy first published in 1992 by Douglas, Burgess, Burgess and Ressler, classifying crimes by behavioural pattern rather than by statutory category. Now in its third edition.

Related terms

Modus Operandi (MO)
The functional, learned behaviours the offender uses to commit the offence: how to gain entry, control the victim, complete the act, and...
Personation
Unusual behaviour at the scene that doesn't serve the offence but reflects the offender's personality. The CCM treats personation as a broader...
Signature
Psychologically expressive behaviours that go beyond what's needed to complete the offence: posing the body, ritual acts, taking trophies, leaving messages. Signature...
Staging
Deliberate manipulation of a death scene to mislead forensic investigation. In firearms deaths, staging typically involves post-mortem wound infliction, weapon placement, or...
Undoing
A specific sub-type of post-offence behaviour where the offender symbolically reverses the act, often covering the victim's face or body. Reads as...

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