Demonic possession. Exorcism. Haunted Houses. Satanic Rituals. For most people this is the stuff of nightmares, horror movies, folklore, and superstition. For New York City police Sergeant Ralph Sarchie, it's as real--and dangerous--as midnight patrol . . . A sixteen-year NYPD veteran, Ralph Sarchie works out of the 46th Precinct in New York's South Bronx. But it is his other job that he calls "the Work": investigating cases of demonic possession...