Derrick Bird, who shot dead 12 people in Cumbria, had held a firearms licence for 20 years. The taxi driver - who also injured 11 others before turning the gun on himself - had a shotgun certificate and a firearms licence for weapons for pest control and to go clay pigeon shooting. In the official police review of the tragedy, the country's top firearms licensing officer has said that Bird fulfilled the necessary requirements for issuing the licences. But are there... (GunPolicy.org)