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ViCLAS

Definition

Violent Crime Linkage Analysis System; the RCMP-developed database capturing 168 behavioural and physical fields from serious violent crimes in Canada and adopted by 15 other countries.

Related terms

Behavioural Consistency
The tendency of a serial offender to repeat the same distinctive behaviours across multiple offences; one of the two necessary conditions for...
Behavioural Distinctiveness
The property that the consistent behaviours in question are rare enough across unrelated offenders that shared possession of them cannot easily be...
Linkage Analysis
The investigative and forensic method of determining whether two or more crimes were committed by the same person, based on the presence...
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...
ROC / AUC Analysis
Receiver Operating Characteristic / Area Under the Curve analysis; the statistical method used to measure the discriminative accuracy of a linkage system,...
Signature
Psychologically expressive behaviours that go beyond what's needed to complete the offence: posing the body, ritual acts, taking trophies, leaving messages. Signature...

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