Authorities Unveil New DUI Testing Technology | NBC Southern California

Authorities Unveil New DUI Testing Technology

A new, portable device will allow authorities to test drivers for driving under the influence of drugs using a mouth swab. The technology was unveiled at a press conference involving several law enforcement agencies and a representative with Mothers Against Drunk Driving. Ted Chen reports for the NBC4 News at Noon on Friday, Dec. 27, 2013.

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