Unusual clues could mean there's trouble ahead for an American designer. Officers have serious questions for a very flamboyant traveller. And a passenger tries to start a food fight.

A former Miss USA contestant has officers suspicious, and officers find bizarre contents inside a bag. Plus, a romantic reunion on hold, and one of the most brazen attempts at smuggling contraband into the country.

Staff are given enough reason to suspect a bomb is in someone's luggage and the entire airport is shut down. Elsewhere, travellers challenge the highly trained intuition of Customs officers and a businessman's ambitions hit a snag.

A nervous traveller arriving from China raises suspicion. A family from the US have nothing to declare, but their luggage suggest otherwise. And a Romanian man struggles to get his story straight.

Customs officers look closely at a curious keyboard. Then, a delay at Quarantine results in a lovers quarrel, and suspicious letters from India have the Mail Centre on alert.

The conclusion to the Romainian keyboard mystery, an Aussie's questioned after partying hard in Mexico and a traveller argues that he's not who officials believe him to be.

An Italian man may want to clown around illegally, a German passenger's nervous behaviour raises alarm and a couple is suspected of sneaking in treats.

A passenger is removed from a plane before take-off, a couple makes a desperate plea, and a New York graffiti artist claims he has been framed.

A New Zealand passenger is unhappy about being questioned about his visa, an incredible situation in customs and a passengers life could be in danger. Three agencies join forces to target illegal taxi drivers.

Tonight on Border Security, a heated standoff after the discovery of an illegal weapon, a first time traveller is on a high and seems oblivious to what is at stake. And a shoe concealment has a passenger lost for words.

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