"The suspect was acting suspicious, and the vehicle smelled like marijuana." In Canada, some recent trials have dramatically increased the threshold for what c

"The suspect was acting suspicious, and the vehicle smelled like marijuana." In Canada, some recent trials have dramatically increased the threshold for what constitutes reasonable grounds for a search [0], but from what I understand, the rules are different in the US (e.g. that a drug dog can sniff the exterior of a vehicle, and in many circumstances drugs have been trained to alert on command from the handler). [0] http://blueline.ca/articles/reasonable_suspicion_requires_objective_facts http://blueline.ca/articles/reasonable_suspicion_requires_ob...