On Monday, federal Justice Minister Jody Wilson-Raybould approved the Dräger DrugTest 5000, a device that will soon be available to police forces across the country to combat drug-impaired driving, as the government prepares for cannabis legalization in October.

Lawyers from a Vancouver-based law firm say they are ready to challenge the usage of the newly approved saliva-screening device for marijuana in court as soon as it hits the road.

Vancouver Sun reporter Behdad Mahichi joins Dave to discuss the concerns raised over roadside drug testing.

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