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Do Smartphone Breathalyzer Apps Really Work?

Originally aired on 10/10/2016

Investigative reporter Lisa Lee Freeman put the top three breathalyzer apps to the test with the help of Oz team members Tia Brown and Carolina Bermudez. See how the apps compared to an official breathalyzer test.

Guests: Jenna Wolfe , Dr. Robynne Chutkan , Dr. Tania Elliott , Jeff Rossen , Lisa Lee Freeman