Chapter 2: Presumptive Testing
This chapter provides an overview of various presumptive methods in forensic science and includes: colourimetric, immunoassay, and in-field testing. Two cases from the Canadian Legal Information Institute (CanLII) highlight how the presumptive methods are used and reported on in the cases.
The podcast goes into detail about the two CanLII cases and describes the toxicants tested as well as the chemistry behind the presumptive tests used.
Interactive Presentation
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Slides: Module II Ch 2 Presumptive Testing
Podcast
This podcast episode [12:38] goes through two cases that use presumptive testing methods for analysis of drugs and metabolites, and points to the utility and challenges associated with such non-confirmatory testing practices.
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Audio Transcript
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