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In reply to the discussion: The truth about the Fast and Furious scandal [View all]PavePusher
(15,374 posts)As has been noted in the Gun Control & RKBA forum, ballistic forensics are not well known for solving crimes anywhere but fictional entertainment. This is why "ballistics databases" are essentially worthless, and have no effective track record in crime-solving.
Assuming most of the bullet mass was recovered, you could probably determine size/caliber and construction, possibly match it against ammo left in the guns or casings at scene, and even likely eliminate various guns on-scene. But unless the bullet was almost entirely non-deformed (and after passing through a body and possibly a vest, that would be unlikely), an exact match to a particular weapon is almost impossible.
You can make a case of probability, and sometimes even very high probability. I too would like to see that evidence, but I doubt we ever will.