Behind closed doors: How neighbors were oblivious to secret poker games and the Mafia who investigators say helped run them

By Alaa Elassar, CNN (CNN) — Behind the glass doors of an unassuming building in Manhattan, staring across a shuttered print shop, a shadowy world stirred, coming alive with the flick of cards, the muted clink of glasses and the quiet hum of a dangerous secret. Inside one of the three units of the lavish