Australians have consumed an estimated 15.7 tonnes of methylamphetamine, cocaine, MDMA (ecstasy), and heroin in 2020–21, with a street value of around $10.3 billion (US$7.4 billion), the Australian Criminal Intelligence Commission (ACIC) revealed. ACIC Chief Executive Officer Michael Phelan said this figure was up by $1.4 billion (just over $1 billion) from the previous year, primarily…