My NYRican friend was an inmate barber in a Federal Correctional Institution (FCI). He earned a small wage, plus tips in the form of toothpaste, soap, cigarettes, or postage stamps. A young correctional officer (CO) figured out he could save a few dollars getting his hair cut in prison. My barber friend said "Sure, have a seat." He draped him, taped his neck with paper, and went to work. During the haircut the CO happened to ask my friend what he was in there for. "Oh," he said with a straight face, "I cut the throat of a CO." I never saw an officer jump so fast. He tore off the drape and backed away, rubbing his neck. As far as I know, he never asked an inmate for a haircut again.Barbers are scary people!