Police in Panama City, Florida, said last year they had seen two violent incidents linked to use of bath salts. In one, a woman allegedly tried to behead her 71-year-old mother; in the second, a man on bath salts used his teeth to tear up the back seat of a patrol car.

Sharp said he never felt the urge to "eat anybody's flesh" while under the influence of bath salts, but noted, "You feel like you're 10 feet tall and bulletproof, and you actually do not feel any pain."

He said he himself "just got paranoid."

But he said his overdose -- was a turning point, describing it as "Fear. Darkness. It felt like impending doom was coming down on me ... I felt like I was about to bust loose and actually hurt somebody