Victims Hector Gutierrez , Martin Santos-Luna , Urbano Morales-Santiago , and Miguel Sosa-Luna A retired Westchester County police officer murdered four men - including two who were just in the wrong place at the wrong time - in a "gangland-style" crime during a drug deal gone bad, prosecutors said Tuesday. Nicholas Tartaglione, who worked as a cop in Briarcliff Manor and Mount Vernon, as well as upstate Pawling, was arrested Monday for killing Martin Luna, Urbano Santiago, Miguel Luna, and Hector Gutierrez in April at a bar called Likquid Lounge in Chester, Orange County, authorities said.