The FBI has made an arrest in connection with the attempted bombing along the route of the annual Martin Luther King Jr. Day parade in downtown Spokane. An FBI source in Washington, D.C., said one man was arrested Wednesday outside a home near Colville, Stevens County. Agents, including a bomb expert from Quantico, Va., were preparing to search a house where others associated with the suspect were living, the source said. The suspect is believed to be affiliated with white supremacists, the source said