Do not let them feel secure . ISIS , al - Nusra Front and the Khorasan Group all spawned from al Qaeda . The U.S. launched airstrikes against ISIL and the Khorasan Group this week . Al - Nusra says its leader was killed in the strikes ; the group has not responded .
ISIS , al - Nusra Front and the Khorasan Group all spawned from al Qaeda . The U.S. launched airstrikes against ISIL and the Khorasan Group this week . Al - Nusra says its leader was killed in the strikes ; the group has not responded .