How big a terror risk are former Guantanamo prisoners?

in the news | June 08, 2014

CNN

Bailey Cahal1 Peter Bergen:

In order to shed some light on exactly which graduates from Guantanamo have joined a militant group or engaged in some other kind of terrorist activity, the New America Foundation analyzed Pentagon reports, news stories, and other publicly available documents to create a list of former detainees who have "returned to the battlefield."