A Nyack man has been arrested and accused of selling illegal guns. Rockland County District Attorney Tom Walsh says Darren Jemison turned himself in last week. The County Drug Task Force and Orangetown Police have been working the illegal gun investigation since January 2020. Jemison is accused of selling two loaded Taurus 9mm pistols and a loaded Taurus .38 special revolver near the Nyack Plaza housing complex.