'The Drug Whisperer' | Drivers arrested while stone cold sober

Drunk driving arrests are down sharply after decades of aggressive enforcement, while drugged driving arrests are climbing. Georgia now has more than 250 officers with special 'drug recognition expert' training.

But 11Alive News Chief Investigator Brendan Keefe discovered some drivers are getting arrested for driving stoned -- even when their drug tests came back clean....
http://www.11alive.com/news/investigations/the-drug-whisperer/437061710