Analysts continue to explore the future of the Taliban movement without its long-time leader Mullah Omar. One writer, Kambaiz Rafi, feels that the death of Mullah Omar will lead to the slow disintegration of what we once knew as the Taliban. He believes that most Afghan Islamist groups have been mostly individual-driven than programmatic. With the demise of a charismatic leader most Afghan groups have withered away. I guess hope springs eternal. Read more in "The Afghan Government Should Let the Taliban Destroy Itself", The Diplomat, August 12, 2015.
The Institute for the Study of War (ISW) has released a report entitled The Death of Mullah Omar and the Rise of ISIS in Afghanistan, August 18, 2015.