A federal jury on Wednesday convicted a North Carolina man of instructing others how to build bombs with the intention of targeting federal law enforcement officers.
Christopher Arthur, 39, faces a maximum 20 years in prison, according to federal prosecutors. He was also found guilty of illegal possession of unregistered devices, including a short-barreled rifle, a silencer, three improvised hand grenades, and an improvised claymore sword, according to U.S. Attorney’s Office in Eastern District of North Carolina.