A Canadian woman's bags have set off alarms for heroin. A child's laptop is packed with drugs. A Malaysian man is likely looking for work instead of taking a vacation. A Chinese man hasn't declared a large amount of ginger root.

A Canadian woman's bags have set off alarms for heroin. A child's laptop is packed with drugs. A Malaysian man is likely looking for work instead of taking a vacation. A Chinese man hasn't declared a large amount of ginger root.