Customs and Border Protection officers and a canine unit uncovered 174 vacuum-sealed cocaine packages hidden in a tractor-trailer's modified floor.
https://www.foxnews.com/politics/hero-k-9-sniffs-out-hidden-6m-cocaine-shipment-along-us-canada-border
https://www.foxnews.com/politics/hero-k-9-sniffs-out-hidden-6m-cocaine-shipment-along-us-canada-border