Border Security: Canada's Front Line

Episode 15 (4x15)

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At Detroit Metro Airport, a traveller minding manners may need to mind his story instead. The Chicago canine unit knows smugglers don’t play games. In Port Huron, officers are on a high-speed chase after a vehicle skips secondary. A traveller coming from Canada triggers radiation alarms. A bounty of bullets shows up in Blaine, Washington.