The global cocaine business is controlled by cartels worth tens of billions of dollars – and in that world, Australia is drawing more and more attention as a particularly lucrative market.

Today, Four Corners reporter Mahmood Fazal on his investigation into the cocaine trade and how he came face-to-face with the people responsible for it.

The sentencing of Ramzi Aouad came at a tense moment in racialised policing – and there are now people asking if the politics around “Middle Eastern crime” played a part.

When Ramzi Aouad went to prison for life, it was on the basis of evidence from one man - a violent enforcer who had been offered financial incentives for his testimony.