31 year old Nicholas Mina started his week as an officer in the NYPD. He ended the week charged conspiracy, grand larceny,sale of a firearm and potentially is looking at drug conspiracy charges. According to NBC NY,, Authorities say the Mina and four other accomplices allegedly trafficked at least 10 guns over a two-month period. The alleged ringleader of the group, Ivan Chavez, is accused of procuring firearms from various sources and removing serial numbers before selling them, prosecutors said. Four additional firearms were recovered from his home when a search warrant was executed. Charges against him are pending and information on an attorney wasn't available. Five of the firearms involved in the trafficking network allegedly came from Mina. The 31-year-old officer allegedly stole four of them from his colleagues' lockers at the Ninth Precinct station house in the East Village. The fifth was his own. Wiretaps of phones for Mina and Chavez reveal incriminating and explicit conversation about gun sales, the indictment says. Law enforcement sources say one of the buyers was an undercover officer. A six-year veteran of the force, Mina was part of a 24-hour security detail and had been assigned to guard the lockers after a series of thefts that included bulletproof vests, cash and an iPad along with the guns. One of the bulletproof vests Mina allegedly stole from a locker was recovered by authorities. Mina was arrested following an investigation by the NYPD Firearms Suppression Unit, Internal Affairs Bureau and Manhattan District Attorney's office. He allegedly confessed to investigators that he stole the guns to support his drug habit