Thousands of people enter Australia every day.
How many of these people are really who they say they are? Could you spot them?
Hosted by Grant Bowler, the third series of Border Security takes viewers into a world never before seen on Australian television – behind-the-scenes of our Immigration, Customs and Quarantine departments.
The men and women that patrol here are literally at the front line when it comes to protecting our country from drug runners, illegal immigrants and potential terrorists.
They are also the last line of defence against harmful pests and disease coming into the country.
Filmed with the full co-operation of the three agencies, we are granted full access to all areas of national security - not just at our airports, but in our coastal waters and mailing centres.
The cameras are always in the thick of the action, capturing all the suspense, drama and emotion of life on the frontline.... Read more.