The science of gunshot residue analysis

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After a gun is fired, tiny particles called gunshot residue are left behind. What are these tiny particles, and how can they help identify the perpetrator?

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I'm not sure how accurate this is. The shooter does get some primer powder residue on his hands, but the lab reports I've seen focused more on matching the cartridge powder residue than the primer residue. And if you shoot a handgun, you know that stuff gets all over you. I'm not sure the video is wrong, but I do question it.

bjs

Just imagine if they covered their hands somehow, and disposed of such a cover

calholli

Isn't this only relevant to handguns/pistols? A rifle encloses the bullet/cartridge and would allow very little gunshot residue to be deposited on hands.

GavinM

What about the case where gunshot residue was found on a dead woman's hands 12 years after she shot her husband and then herself to frame her neighbour?

phillip

So basically the best place to go after an illegal gun event is a legal gun event, so that nobody can reliably distinguish legal and illegal particles on your hands.

Also there were questionings about how many criminals were taking using castings and bullets samples database: zero. The method is fine but the search through this database is complex, errorprone, and can be easly triked by changins some parts (e.g. extractor). The method works fine when the police found the gun and need to prove is it really this gun.

And sure those methods cannot prevent any massshooting because These criminals are not trying to escape.

alexeysaphonov

Mr. Andrew Bridgen MP UK Parliament debate.

TheFukwitz

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