Complex sentence: Hasan notified Gross that he had released John Galligan, the civilian attorney who has been his lead attorney in previous court appearances, choosing instead be represented by three military lawyers at no cost to him.
Split into simpler sentences: Hasan notified Gross that he had released John Galligan, the civilian attorney who has been his lead attorney in previous court appearances. Hasan will instead be represented by three military lawyers at no cost to him.