An NYPD officer has been arrested in connection with amonths-long firearms trafficking investigation after he allegedly stoleguns from his precinct to be sold on the street and arranged drug buyswhile on duty, authorities said.Nicholas Mina was arrested lateThursday and charged with conspiracy, grand larceny and sale of afirearm, among other crimes. Information on an attorney wasn'timmediately available. He and four co-conspirators who were alsoarrested were scheduled to be arraigned Friday.Source: