Works on multiple levels — no more stupid tourists traveling to terrorist havens and no more demands from said terrorists. Oh, and no more terrorist prisoners.
A win-win-win.
If done properly, it could also add a whole new enhancement to interrogation.
“Tell us what we want to know, or we’ll tell your buddies that you’re telling us what we want to know. You know that’ll motivate them to kidnap someone and demand a prisoner exchange... for you!”