FSC239Y5 Lecture 20: FSC239- Explosives
Document Summary
Trace evidence: glass, paint, hair and fiber. Analyze non- biological substances: pepper spray/ lachrymators, dye packs, food tampering, miscellaneous. ~ 10 cases per year pre- 2007. ~ 20-30 cases per year 2008 onwards. Case work is split into 2 groups: scene consultation scene attendance intact (bomb in itself) trace (blown up materials)- to figure out what explosive was used. No intact solid residues?- solvent extraction of material. Now the focus has shifted towards home-made explosives. Companies will sell mobile chemical instruments to figure out the. Learn how to make home made explosives ( to show how easy and powerful) They can understand the byproducts as a result. Help canine units to smell out home made explosives: made the explosives and made training boxes. Who does the explosives scene investigation: rarely the chemistry lab unit. Give those people a hand because they do not know how to handle these chemicals. Can sometimes find recipes/ books, can find out what to do.
