"I can't assess whether that's true or not without having people on the ground."
Sec. of Defense Mark Esper responding to a question about whether or not prisons in northern Syria holding ISIS fighters are secure as he traveled to Afghanistan.
- Thousands of terrorists and their families were being held in prisons supervised by Kurdish forces, who have now been pushed out by Turkey.
- U.S. forces once working with the Kurds are now being moved to Iraq.Secretary of Defense Esper Media Engagement En Route to Afghanistan