Hasnt this been in use for some time now in DC?? Or some other area/state here in Va area. I also read that inthe several years since its' inception, it has been used successfully LESS THAN 1% of the time in solving crimes. WASTE OF MONEY!!
My understanding is that pic of the shell casings are taken, then examined and compared to other on a database to narrow/pinpoint the murder weapon based on these casings left at the scene of a crime?
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