Who in their right mind would still voluntarily be there? Maybe we’re talking about wanna-be insurgents. If there are archeologists or explorers, then, game over, get the hell out. Otherwise, when you get captured and start sending over forced confessions read from cue cards, do not expect America to magically appear and save you from your folly.
Petro companies probably have employees in Libya, and they are paying them a ton of money.