Watch Border Security: Australia's Front Line Season 5 Episode 16 Online

A Colombian dance instructor may have stepped out of line when Customs officers find heroin readings on samples from his bags. Quarantine officers at the Internation Mail Handling Unit receive a box that smells so foul that it gives them a headache. Immigration compliance officers search a western Sydney warehouse, but obstructions could help a Filipino man they suspect of being an illegal immigrant to get away.