Border Security: Australia's Front Line — Season 16

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A man with a shadowy past claims to be a devoted father, but doubts arise as his dark history is revealed. In the mail centre, a suspicious jar of Biscoff spread has a bit of ‘extra crunch’ inside.

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A cookery student from India finds himself in hot water. Biosecurity finds something alarming in food from Indonesia, and a discovery in some motorcycle mufflers could be a hammer blow to smugglers.

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A French party-goer is lying… and officers need to find out what's he's hiding. A traveller has something dangerous hidden in her jewellery box, and a parcel is painting a suspicious picture.

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Officers uncover a secret hiding inside a shipping container from China. A detector dog responds to something hidden in a passenger's luggage, and a Vietnamese traveller is caught telling porky pies.

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An American is caught with large quantities of undeclared medicines. A couple from Korea draw attention for all the wrong reasons... and officers make a chilling discovery inside a fridge from Spain.

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Unusual travel plans and strange documents have officers concerned, and Border Force isn’t playing games when it comes to busting an attempt to smuggle cocaine through the border.

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A cricketer from the UK isn't playing by the rules. An Irishman may have had too much fun at his brother’s wedding... and tubs of powder are bulked up with the wrong supplement.

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Bags full of designer goods have officers suspicious. A box of natural medicines is not what it seems... and Biosecurity isn't horsing around with a Mongolian delicacy in this passenger’s luggage.

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An African man may be travelling on false documents, a package from Hong Kong has biosecurity officers digging deeper and detector dog Ralphy sniffs out some high-risk snacks.

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Two businessmen from Thailand keep changing their stories. A woman may be the victim of a romance scam and shipment from Africa has officers at the pointy end of biosecurity.

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An influencer’s baggage returns a positive reading for narcotics. A student from China attracts the attention of detector dogs, and a shipping container is carrying a lot more than just corn oil.

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Officers investigate a family that appears to be hiding a secret... a passenger tries her hand at negotiating a deal, and this wedding guest from America has Officer Josh on high alert.

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A passenger says he’s visiting Australia for a holiday, but his story doesn’t quite add up. Some forgotten takeaway food becomes a serious problem and a box of chocolates results in a sweet seizure.

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A man is caught lying when officers find damning evidence on his phone. A student faces a hefty penalty for importing sausages, and a massive smuggling attempt is uncovered by Border Force.

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Officers investigate some pistons from Panama, while an OnlyFans model is questioned by officers. These men have only packed one item for their holiday, which sees their travel plans go up in smoke.