A senior U.S. official tells FOX News that more targets were found on computer of a man charged in the fatal shooting Monday at a military recruiting center in Arkansas — suggesting that the shooter may have been part of a larger plot to attack military targets and may not have been acting alone. It wasn't immediately clear, however, how extensive that plot was or what evidence authorities have that suggests that more suspects were involved. The U.S. official's information contradicted a local police official's denial earlier Tuesday that the shooting was part of a larger conspiracy. Abdulhakim Mujahid Muhammad,...