Western Australian Police have strayed into humble-brag territory as they provided details of what’s thought to be Australia’s biggest-ever drug bust. The 2.4 tonnes of cocaine never reached Aussie shores – America’s Drug Enforcement Administration intercepted the shipment bound for Western Oz off the South American coast in November. Reports say the haul had a street value of around $1 billion, equivalent to about half of Australia’s estimated annual consumption. Authorities played it out by substituting the cargo with identically packed fake gear to flush out “the group of people that were capable of receiving it, landing it and then distributing it across Australia,” said Police Commissioner Col Blanch. Operation Beech has arrested 12 people from Western Oz, NSW, the Northern Territory and the US. “It’s a confidence booster,” said Deputy Commissioner Tony Longhorn in reference to the successful operation, not the drug…