FactCheck: does Australia spend $1.5 billion a year on drug law enforcement, with 70% due to cannabis?

Of the A$1.5 billion spent annually on drug law enforcement, 70% is attributable to cannabis. –Liberal Democrat Senator David Leyonhjelm, speaking in parliament in support of the passage of the Narcotic Drugs Amendment Bill 2016, on February 24, 2016. Estimating Australia’s annual drug law enforcement expenditure is a difficult and inexact science. Drug law enforcement ...