First I've heard of this. Apparently a new scourge, but I'm not sure this is not severe pathology, or maybe so under influence of a new psychosis-producing drug. I really don't know what to make of this!
Face-Eating Attack Possibly Linked to Bath Salts, Miami Police Say - ABC News
"Bath Salts": http://www.webmd.com/mental-health/f...s-drug-dangers