A car attack killed 6 and wounded 30 in Melbourne in January of this year. Granted, attacks are much rarer in Australia. Part of this is attributable to the po

A car attack killed 6 and wounded 30 in Melbourne in January of this year. Granted, attacks are much rarer in Australia. Part of this is attributable to the population difference: all things proportional, you'd expect 13 attacks in the US for 1 in Australia if the rate is the same between the two countries.