Other mistake: After Starfire burns the guy in the room everything is burned but the picture, magically.
Other mistake: Conner's T-shirt never gets a bullet hole in it despite being shot in the chest. For example, we see him block 3 bullets with his body when saving Mr. Luthor. Nothing of his powers suggest he's generating a force field.
Other mistake: At the airport, after Deathstroke shoots his rifle, Garth (Aqualad) reacts to hearing the shot, turns around, and is then hit by the bullet. However, the bullet is traveling faster than sound and should have hit Garth (or Donna) before he heard the shot.
Bruce Wayne - S2-E7
Other mistake: Dick shoots into the bathtub to scare information out of the guy taking a bath. Three shots splash up - trouble is from the angle he was shooting at, very shallow, those bullets would have smashed through the other side of the bath, but nothing happens.
Answer: He was granted a full pardon.