have here at cnn. tonight another u.s. citizen charged with aiding terrorists. federal authorities say he was ordered by an al qaeda affiliate in syria to return home and attack targets here in the united states. our justice reporter evan perez is joining us with the details. a formal indictment now of this individual. that's right, wolf. he's 23 years old, is from columbus ohio. he became a u.s. citizen just over a year ago in february of 2014 a couple months after that he left in april of 2014, he left to go get explosives training arms training combat training with the al qaeda affiliate in syria, and he came back home to the united states last year again in june. according to the fbi accord inging to the justice department indictment he told a friend that a cleric told him to come back to the united states to carry out attacks here domestically. he said he wanted to attack cops military execution style