Bhutto died on December 27 when one member of the squad, whom the teen allegedly identified as Bilal, fired at her and detonated an explosive vest in Rawalpindi.
In a new show of strength, hundreds of Mehsud’s fighters mounted attacks in the past several days on the two forts in the region, exposing the Pakistani military’s weak grip over the area.
On Saturday, the army said it had arrested 50 suspected militants in the area.