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Smell and x-ray.These scanners have very sensitive smell receptors that can pick up the slightest trace of marijuana and other drugs, even if they are stuffed in your bottom.


X-rays can detect drugs in luggage.

Airports also use sniffer dogs to detect drugs and other contraband.

Some even use hand-held boxes full of bumble bees (seriously, bees can be trained to go crazy if they detect drugs).

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12y ago

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