Do you think they can insert knowledge of weapon use into the VIPs, too? We'd be getting on a pretty grim slippery slope, there. That they can somehow brainwash them into believing they're not killing already sounds like a horrific alien conspiracy. But if the ones responsible can literally reprogram every aspect of the VIP's character at night, then...

[ I gesture vaguely in the air, knowing it probably looks like nonsense. Then again, that's just what we're talking about now sounds like, so... ]