As the Taliban take over Afghanistan, the threat of terrorist groups like ISIS and Al Qaeda have intensified since these groups can now again find a safe base to operate from and conduct attacks around the world. On the ground, reporter Najibullah Quraishi investigates uncertainty and fear among the Afghan people and revisits the lead-up to the U.S. defeat in Afghanistan and the Taliban's return.
Frontline
The Taliban take over Afghanistan and the threat of ISIS and Al Qaeda intensifies.
