He said the activities of the suspect and his accomplices were responsible for the recent attacks on troops position by terrorists in the area.
Yerima said the suspect confessed during interrogation to have revealed troops’ movements and position to his Boko Haram collaborators.
According to him, the investigation is ongoing to unravel the network of local informants whose nefarious activities have endangered troops on clearance operations around the fringes of Timbuktu Triangle.
He said the unfortunate sabotage of troops movement by Ari and his accomplices made it possible for the terrorists to attack the rear element of troops on patrol.