Shooter practiced two days before killing dozen in Navy Yard, United State

Navy Yard shooter Aaron Alexis practiced shooting at a gun range two days before killing a dozen people, according to the shooting range. Authorities have also determined that he was armed with a shotgun and at least one handgun he took from a guard he shot.
Alexis visited Sharpshooters Small Arms Range in Lorton, Va., on Saturday, J. Michael Slocum, an attorney for the store, said today. Alexis rented a rifle and bought ammunition, which he used at the practice range..... http://g.yho.m/