Border Security: America's Front Line

At Detroit Metro Airport, a pregnant Chinese national has CBP asking questions. An airline security breach on the tarmac leads officers to a jet bound for Haiti. After splitting with her American husband, a Ukrainian traveler may have to split with her green card. A package containing suspected narcotics is sent to the Lab for testing. In Port Huron, a traveler's criminal past could cause problems. A parolee gets pulled into secondary.