Gunpowder Residue Analysis Flashcards
1
Q
What does gunshot residue (GSR) contain?
A
Gunpowder and primer metals (lead, barium, antimony).
2
Q
What are GSR’s limitations?
A
Contamination, removed by activities, and secondary transfer
3
Q
Hoe does GSR help investigators?
A
Identifies if a firearm was discharged and proximity to the shooter