By Graham Lee Brewer Staff Writer gbrewer@oklahoman.comMcALESTER — Charges have been dropped against a man accused of flying a drone carrying drugs, weapons and cellphones into the Oklahoma State Penitentiary, the man's attorney said. "Our contention is at best it is a case of mistaken identity," said Mark Heidenreiter, a Tulsa-based attorney representing Marquis Gilkey.