In the wake of the Aramoana and Port Arthur massacres, retired High Court judge Sir Thomas Thorp was commissioned to review New Zealand's gun laws. The review took a year and cost $1 million. It recommended sweeping changes, including the registration of all firearms, the creation of an independent firearms registry and an eminently sensible ban on military-style semi-automatic rifles. As The Evening Post observed at the time, "if a deer can't be killed with seven... (GunPolicy.org)