The Veritable Pocket Laboratory Cops Have to Carry to Test Drugs on the Street

The cops pull over a car doing 75 in a school zone. The driver is behaving errratically, so they pull him out of the car for a search and bingo: a small bag of white dust in the perp's pocket. But what is it—baking soda, cocaine, arsenic? To find out, they rely on this series of chemical tests. More »

Source: http://feeds.gawker.com/~r/gizmodo/full/~3/24QIMk9upV8/the-veritable-pocket-laboratory-cops-have-to-carry-to-test-drugs-on-the-street

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