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Post by steveb on Mar 19, 2010 13:12:31 GMT -5
Your watching a crime drama show, one of the CSI's or NCIS, or whatever. They are in court, and the prosecuting atty. goes... AHA ! You tested postive for gunshot residue ! That kills me ! I'd test postive 9 days outta 10 ! How about you ? Wash your hands often ? LOL ! steve b
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Aggie01
.375 Atomic
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Post by Aggie01 on Mar 21, 2010 2:26:03 GMT -5
Reminds me of a favorite movie line:
The Usual Suspects:
Interrogation Cop: " I can put you in Queens on the night of the hijacking."
Hockney: "Really? I live in Queens. Did you put that together yourself, Einstein? What, do you got a team of monkeys working around the clock on this?"
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rigby
.327 Meteor
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Post by rigby on Mar 21, 2010 13:14:19 GMT -5
Even if you handle a gun without firing it you will test positive for GSR.
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Post by steveb on Mar 22, 2010 9:10:00 GMT -5
Then make it 10 for 10 ! I'm guilty. steve b
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Post by wickerbill on Mar 27, 2010 11:26:27 GMT -5
Reminds me of a favorite movie line: The Usual Suspects: Interrogation Cop: " I can put you in Queens on the night of the hijacking." Hockney: "Really? I live in Queens. Did you put that together yourself, Einstein? What, do you got a team of monkeys working around the clock on this?" CLASSIC! Bill |
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Post by Markbo on Mar 31, 2010 10:22:32 GMT -5
Hmmmmm... reminds me of the time I was at the airport leaving on an international flight and they swiped my carry on.... took a while to explain all that!
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mulder
.240 Incinerator
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Post by mulder on Apr 4, 2010 18:26:54 GMT -5
I was watching NCIS one night and they showed in slow motion a shell being ejected from a rifle. The rifle was bolt action yet the case ejected straight after the shot with no bolt movement and the case was suppose to be a 223 REM yet was straight walled instead of having a shoulder and neck.
I dont think they do their research very well.
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Post by ohnomrbillk on Apr 4, 2010 19:22:14 GMT -5
Even if you handle a gun without firing it you will test positive for GSR. Depending on the gun, you can just be in the same room when it goes off. I just got done with my forensic pathology rotation, and I assure you that the stuff goes everywhere. |
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Post by Gary @ R&G on Apr 4, 2010 22:08:50 GMT -5
GSR is one of the most unreliable tests in the forensic arsenal. The FBI did a test about 15 years ago. They had agents fire weapons and immediately go to the range house for swabbing (stubbing actually). About 40 % tested negative. Because of those test they put a strict criteria on when it should be used. Like DNA or any other forensic test it is only one small part of an investigation and must be put in perspective. A positive test does not mean one fired a weapon. It only shows that one was in close proximity to a gun being fired. If 2 people are fighting over a gun and it is discharged they will both test positive. It wont tell you who fired the gun. If you are tested after handling a gun you may test positive but the amount of residue shouldnt be as much as having fired a gun.
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Post by coldcase1984 on Apr 6, 2010 18:18:39 GMT -5
I been a detective since '95 and we ain't used it the entire time at my agency. I remember it being used in a city case c. 1988 in connection with a prominent local grocer's murder by armed robbery team.
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