Crime Classification Manual Part II Chapter 6 104

 


Crime Classification Manual Part II Chapter 6 104

A STANDARD SYSTEM FOR INVESTIGATING AND CLASSIFYING VIOLENT CRIMES

SECOND EDITION

 

Common Forensic Findings. Examination of the product is one of the fundamental considerations of product tampering. There may be visible signs of tampering, such as clearly discolored capsules. The type of analysis done on the product and victim will depend on the instrument of death.

Suspicion of poisoning requires toxicological and chemical analysis of the product and victim to determine if products of the same lot were in- volved. Because toxicological analysis is not routine in postmortem examination, exhumation of the victim may be necessary to detect poisoning. This, along with the distribution of victims, will help decide if the source of tampering is at the retail or manufacturer level. Type of poison and consistent or varying levels of poison in each tainted product reflect the resources and sophistication of the offender. The packaging of the product will also be revealing of offender sophistication: this includes absence or presence of fingerprints, repackaging, and the appearance of the tainted items.

The analysis of offender communication would be approached in the same manner as in kidnap murders (see classification 104). If the communication is verbal, a verbatim set of the caller’s comments and information about speech patterns and accent are vital to threat assessment.

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