Complex sentence: The group was formally launched on 13 December 1999, chaired by a retired army officer, Brigadier General Sagir Muhammed who had been an operative in the Directorate of Military Intelligence.
Split into simpler sentences: The group was formally launched on 13 December 1999. It was chaired by a retired army officer, Brigadier General Sagir Muhammed, who had been an operative in the Directorate of Military Intelligence.