ISIS in Somalia Expanding its Presence Despite Al-Shabaab Waging Attacks against its Fighters

Since 2007, the Al-Qaeda affiliate, Al-Shabaab has been the sole jihadi in Somalia, and indeed, the Horn of Africa. Its supremacy and longevity came into question in October 2015 when Abdiqadir Mumin, a former Al-Shabaab ideologue who was part of a Puntland-based faction of the group, defected from the avowed Al-Qaeda branch and switched allegiance...