The Same Blue Uniform, An Unsettling New Terrain

DETECTIVES Patrick Divers and Al McCoy of the Brooklyn North narcotics squad used to spend their days running buy-and-bust drug operations in Bushwick. But lately, they have been doing different tasks; far different, like searching for body parts in debris from the World Trade Center at the Fresh Kills landfill, and escorting office workers to their buildings at ground zero.