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Posted: 1/23/2002 6:42:25 AM EDT
[Last Edit: 1/23/2002 6:44:28 AM EDT by Dolomite]
[url]http://www.jsonline.com/news/metro/dec01/7414.asp[/url] [img]http://www.jsonline.com/news/image02/jan/gunabig012202.jpg[/img] I love how the paper claims that guns can have "fingerprints" - it's like guns are bad people that should be rounded up and put away... Wait asecond, some people actually believe that! Looks like a Glock to me - but are there any other handguns out there that make the same oval shaped striker mark (like a Sigma maybe?). Anyway, what is there to prevent BGs from going to the range and scooping up Joe Citizen's spent brass. Then the next time he has problems negotiating a business transaction and he needs to blast away with a gat, he just polices up his own brass, and replaces it with Joe Citizen's? I know, I know, that's crazy and paranoid.
Link Posted: 1/23/2002 7:23:48 AM EDT
Link Posted: 1/23/2002 7:33:06 AM EDT
my glock striker marks are rectangular
Link Posted: 1/23/2002 7:39:56 AM EDT
Those are all Glocks. Glocks have that unique rectangular impression on all their fired cases. Under a good microscope it is possible to compare fired cases and determing if they've come from the same gun - [red]IF[/red] - there has not been significant wear between the two sample cases. In the case of an autoloader, if you polish the face of the slide around the firing pin hole, change the extractor and the firing pin, it will have a completely different signature. Change the barrel, and you've completely changed the characteristics of the fired case. Big job, though. If "fired case comparison" gets to be a useful forensic tool, I'm sure revolvers will become more and more popular. No ejected empties then. And I cannot help but wonder how many people will be falsely accused much less convicted on only "fired case forensics".
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