A Jersey City teen has been charged with multiple weapons offenses after he tried to discard a stolen handgun on a Hoboken Housing Authority rooftop, police said. Jamal Pittman, 19, was arrested May 4 and charged with burglary in possession of a firearm, possession of a weapon for an unlawful purpose, unlawful possession of a weapon, possession of prohibited weapon, large capacity magazine, receiving handgun ammunition, obstruction of the administration of law, obstruction of the administration of the law for discarding a firearm, resisting arrest and theft of property which is lost, mislaid, …