From the Office of the Presidential Spokesperson on North Cotabato jail attack, 04 Jan. 2017
No specific information as to the identity of the armed group has been revealed, though speculation is rife. Some sources claim the group was headed by a certain Commander Derbi; however, General Alamanzor, chief of staff of the BangsaMoro Islamic Armed Forces of the MILF, denied that they have any member bearing that name.
