The AFP and customs intercept hundreds of tonnes of narcotics every year. But, the techniques of criminals and smugglers are becoming more complex, and unfortunately, more effective.  Nigel Phair is a former Australian Federal Police Officer who took on a range of high profile drug importation cases. This saw him intercepting large quantities of drugs, investigating its origin and surveilling its eventual destination in Australia.  Understand this work and hear Nigel walk host Brent Sanders through how the police undertake these investigations and how things have changed over the years.  If this content affected you, the number for LifeLine is 13 11 14.  See omnystudio.com/listener for privacy information.