Outbreak

Four Corners investigates some of the worst biosecurity breaches in Australian history, uncovering sophisticated smuggling operations, inadequate enforcement and corruption.

Last year a devastating exotic disease wiped out much of Queensland's prawn industry, threatening a lucrative trade based on our "clean" reputation and undermining faith in Australia's supposedly fortress-like borders.

Now a Four Corners investigation will reveal how Australia's biosecurity measures were defeated by sophisticated smugglers.

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S2018E22 - Off Track