Gun used to kill prosecutor is focus of massive search By Steve Miletich Seattle Times staff reporter FBI agents are conducting an unusually sweeping search for a customized gun used in the killing of Seattle federal prosecutor Thomas Wales, according to the owner of a Minnesota arms company and sources familiar with the investigation. The gun, an Eastern European-made semiautomatic pistol called a Makarov, had been fitted with a replacement barrel that leaves telltale marks on bullets. The search, one of the most laborious gun sweeps in FBI history, is taking place in all 50 states, as agents track down...