Border Security Australia

Officers spot a traveller behaving very strangely and he acts up when he's caught out breaking the law. Also, a US citizen is detained when officers suspect he's been working unlawfully in the country

Officers are on high alert when an Italian man's luggage appears to have been tampered with and they suspect they're dealing with a drug courier.

An unsuspecting elderly couple are found to be carrying a supply of something illegal and possibly deadly. Also, biosecurity catch a Vietnamese couple with a bag full of restricted items.