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Old 09 September 2018, 08:32 PM
RichardM RichardM is offline
 
Join Date: 27 March 2004
Location: Las Cruces, NM
Posts: 4,517
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And this particular 'witness' should be challenged on what is called a Daubert challenge. See https://definitions.uslegal.com/d/daubert-challenge/
Recently this type of defense was used on the old method of matching the grooves in a bullet to a specific gun.
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