Volunteers smoked marijuana in front OF Baltimore County Police officers Wednesday. It's part of their "green lab" that trains officers on how to recognize drivers under the influence of cannabis.

With the legalization of recreational marijuana July 1, the department wants officers to be prepared for impaired drivers.

Medical marijuana users volunteered to get high and then assessed by Baltimore County Police Officers. Not the usual day on the job.

It's part of the cannabis impaired driving lab--training officers on signs, symptoms, and behavior when someone has smoked pot and decided to get behind the wheel.... Read More: WMAR2NEWS