Hero's

After a mysterious death of a common theif in an alley way. The second episode of the fourth season shows how truely unbelievable these cases can be. The man was killed by a sword and cctv shows our crime solving team that it was a person dressed in a superhero costume that committed this outlandish crime. Is this person a hero or a villian? Or maybe just a mental case? what the episode. Trust me you wont be disappointed.