You could put them in a dark room and play Hillary’s speeches 24/7.
Seriously, that would kill anyone.
Worse than waterboarding.
What a great idea! Although even too cruel for ISIS? Nah! Let the torture commence.
Or just as worse, force them to watch this video and see how many seconds they can hold out before they start puking their guts up........
https://m.youtube.com/watch?v=yFAogBBGgBs