Detailed text transcripts for TV channel - FOXNEWS - 20170501:06:58:00
Chris: how can you tell this shot one cartridge in chicago and this one in denver? >> for us to link suspect from one shooting, we now have a potential suspect because those two incidents are related by the same gun. >> loaded to the magazine well. we are ready to fire two rounds. chris: when guns are found at crime scenes they can be fired into a tank of water. you can see the bullet case that's ejected from a gun. the markings from the cartridge can then be checked in the database to see if that gun has been used in other crimes and if a criminal has filed off a gun serial number, well, that...
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