He wasn't gagged. It happened in the bathroom (no adults) and the kid hit his head on the toilet during the beginning of the altercation (thus, no noise). Most stories say the gang beat him because he would not join, some say it was during the "beat in" initiation, and some say that the kid started the fight to prove he was worthy of getting in this gang. The latter being doubtful, this "gang" is supposedly called G unit. As if this story isn't bad enough, the funeral is the same day as his sister's birthday.