Trace evidence Flashcards
1
Q
What types of things does the lab accept?
A
Fire debris/ignitable liquids (arsons)
Gunshot residue
Paints and tapes
Explosives
Unknown mystery chemicals NOT DRUGS
2
Q
What is trace evidence?
A
Materials left at a scene (investigational aids)
Comparison- where did it come from?
Suspect and scene / suspect and victim
3
Q
Why don’t you use a plastic bag for paint samples ?
A
Static!
4
Q
Greater than 4 hours, 90% of GSR is lost from hands. Washing touching wiping. T or f
A
T
12 hour time limit for face
5
Q
What is the from needed to send to lab for analysis?
A
C414
