"That said, I doubt they'll ever be as cooperative as we'd like," he said. "And we may or may not get enough cooperation to enable prosecutions that would stand up in U.S. courts. But their willingness at the margin to help Americans was probably at something like a post-2003 low in 2013. It can only go up from there."
Stephen Biddle, a professor of international affairs at George Washington University, said the dwindling number of American troops will translate into less U.S. influence over the country as it moves forward.