Detailed text transcripts for TV channel - MSNBC - 20130418:02:20:00
That the fbi and police do not have is the ability to trace gunpowder. why do they not have that ability now? >> that was blocked in the '70s. these were little taggants, the size of a period on a piece of paper. i was around at the time, we trained with them, they were magnetic and they would glow in the dark. we would go out with magnets, special gloves, black lights, and we could actually recover these taggants after a bomb detonated and be able to tell us the date shift code, which is basically the lot and serial number of a batch of dynamite. we were very excited about it. we sent some of...
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