Hurley's Gold

Forensic abilities....

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  • SQLGeek

    Muh state lines
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    This reminds me of a podcast I was listening to about Kwame Kilpatrick, former mayor of Detroit and current Federal prisoner. There was a Detroit detective on the podcast saying that they knew that a gun used in a murder was not a cop's duty gun because when they examined the shell casings, they said .40 S&W, and not Glock...

    To quote the @Moonpie, "Top Men."
     

    TheDan

    deplorable malcontent scofflaw
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    giphy.gif
     

    TheDan

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    The only reason I can think of is if it matches ballistics to a gun they already have ballistics records for. Isn't that how they determine if the same gun was used in multiple crimes? Not sure.
    CT and I think MA require new handguns to have a test fired casing submitted to them for that purpose. Actually, I might have those states wrong, but I know some do that...
     

    TheDan

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    A test fired casing?
    Yep... manufacturer shoots a round, puts the spent brass in a little sealed envelope, and that is supposed to be turned over to the state for their forensics database.

    Sounds retarded to me, too... I doubt they can use those to narrow it down to a specific gun, but maybe they can determine the make and model of a gun that way.
     

    Windrunner50

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    Oct 23, 2019
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    The type of firearm can sometimes be narrowed down with the projectile. If the case is recovered, firing pin impressions, and sometimes chamber marks will give indications. They are like tool marks/impressions, and can be matched to the original firearm. Hollywood magic will solve the crime after the next commercial!
     

    ZX9RCAM

    Over the Rainbow bridge...
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    Yep... manufacturer shoots a round, puts the spent brass in a little sealed envelope, and that is supposed to be turned over to the state for their forensics database.

    Sounds retarded to me, too... I doubt they can use those to narrow it down to a specific gun, but maybe they can determine the make and model of a gun that way.

    I specified bullet a couple times.
     

    ZX9RCAM

    Over the Rainbow bridge...
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    The type of firearm can sometimes be narrowed down with the projectile. If the case is recovered, firing pin impressions, and sometimes chamber marks will give indications. They are like tool marks/impressions, and can be matched to the original firearm. Hollywood magic will solve the crime after the next commercial!

    Love your avatar.
     

    oldag

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    Yep... manufacturer shoots a round, puts the spent brass in a little sealed envelope, and that is supposed to be turned over to the state for their forensics database.

    Sounds retarded to me, too... I doubt they can use those to narrow it down to a specific gun, but maybe they can determine the make and model of a gun that way.

    Seems like a waste of time. New firing pin and the firing pin indentation is now worthless.
     

    innominate

    Asian Cajun
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    I question a lot of the forensic abilities.
    About 20 years ago my house was broken into. Every door, drawer and cabinet was ransacked. A photo album and wood box with glass inlay was gone through. They finger printed the entire house. They hardly even found my prints. Much less the criminals prints. I was cleaning print dust for months.
     

    FireInTheWire

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    About 20 years ago my house was broken into. Every door, drawer and cabinet was ransacked. A photo album and wood box with glass inlay was gone through. They finger printed the entire house. They hardly even found my prints. Much less the criminals prints. I was cleaning print dust for months.
    Exactly... I would assume 86'n someone isnt easy to crack as Hollywood depicts
     

    gdr_11

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    When someone brings this up to me I always use the 1911 .45ACP as an example. How many 1911s have been manufactured in the past 108 years in multiple countries? Add to this the number of replacement barrels that have been made and are in circulation. Add to this the fact that for the past several decades all of these guns have been made using CAM which provides almost identical results that makes most units indistinguishable from one another.

    So, now, in court you are going to tell me that a .45 ACP bullet that has been severely deformed and separated by impact came from one of multiple millions of identical barrels?
     

    ZX9RCAM

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    When someone brings this up to me I always use the 1911 .45ACP as an example. How many 1911s have been manufactured in the past 108 years in multiple countries? Add to this the number of replacement barrels that have been made and are in circulation. Add to this the fact that for the past several decades all of these guns have been made using CAM which provides almost identical results that makes most units indistinguishable from one another.

    So, now, in court you are going to tell me that a .45 ACP bullet that has been severely deformed and separated by impact came from one of multiple millions of identical barrels?

    Is this in response to the OP?
     
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