If it was drugs (most likely), maybe the mom should be campaigning against that particular substance.
No doubt his mom is horrified, too. No one raises their kid to go chew people's faces off.
It's pretty crappy all around.
It wasnt him, that was his body but it wasnt his spirit. Somebody did this to him, WFOR quotes her as saying.
The police, however, seem to think it was bath salts, which apparently is all the rage among druggies now and does cause hallucinations and violent reactions.