Chicago Tonight

Driving While Stoned: Police Still Lack Reliable Test

Clip: 11/04/2019 | 8m 22s | Video has closed captioning.

As the legalization of recreational marijuana approaches, police have no reliable test for whether a person is driving under its influence. What science tells us about marijuana use and safe driving.

Aired: 11/04/19

Rating: NR

Problems Playing Video? | Closed Captioning

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