Former US-trained shadow operatives bolstering the ranks of ISIS in Afghanistan: Report

Thousands of Afghan spies and soldiers left behind by Washington have turned to ISIS as the terror group intensifies attacks against the Taliban

Blowback: Taliban target US intel’s shadow army

The Kabul Airport bombing shows there are shadowy forces in Afghanistan, willing to disrupt a peaceful transition after US troops leave. But what about US intel's own 'shadow army,' amassed over two decades of occupation? Who are they, and what is their agenda?