From The Age:

The facts are chilling and compelling. In as little as five years, gun crimes have more than doubled. Some very dangerous people are involved; in 2015 alone, more than 750 people with serious criminal convictions were caught carrying guns. That’s up a staggering five times since 2011. Shootings have literally become a weekly event. Crimes related to firearm possession have more than doubled in the past five years. The number of young criminals has rocketed; almost 1500 people aged between 20 and 34 committed a gun offence last year, more than twice the number five years ago. A culture of carrying, and using, guns is becoming worryingly entrenched in criminal circles.