For example if you use a gun to kill someone how could the bullet possibly be linked to you thousands of guns use the same caliber or a knife even though you would feel terrible looking at the knife wouldn’t it make more sense to just clean it and continue to keep the knife in your home so it make sense that your dna is on it? in movies people always feel the need to get rid of the weapons but i think it would make more sense to keep it unless there’s something i’m missing
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It used to be they’d send the gun to the FBI who had a huge backlog, so it didn’t happen too frequently. And the old methods were kind of questionable as to their accuracy.
As I understand it’s only in the past 5 years there’s been a big jump in the ability to really match the bullet to the fun that fired it, but they have a very high degree of certainty now.
You’d want to destroy the firearm, you could cut the barrel or hammer in some kind of wedge to alter the rifling.
I did consulting work a few years ago in a case where the criminal and the police all had the same weapon using the same ammo. I was asked to review all the body and cruiser cam footage and map which bullets came from who. They don’t always test the ballistics in the lab.
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