On 28 April 1996 Martin Bryant murdered 35 people at Port Arthur in Tasmania: he injured 18 more. The Howard Coalition government acted swiftly, other political parties cooperated and the National Firearms Agreement (NFA) came about. Soon improved gun laws existed throughout Australia. The inventory of semi-automatic rifles and shotguns was greatly reduced, gun registration was made universal, an improved licensing system was introduced and gun storage demands improved. It took several years for...