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JadaaJay JadaaJay
  • 11-11-2015
  • Chemistry
Answered

which can associate a suspect and the firing of a gun?

( its not b )

Amarkings on the gun's exterior
Bmarkings on the casing
Cmarkings on the bullet
Dpowder residues

Verified Answer :

keikeikei
keikeikei keikeikei
  • 11-11-2015
Dpowder residues.
the police and forensic chemists usually perform a qualitative test called GPR or gun powder residue. the residue sticks to the skin.
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