They don't budge. Burglars could break into my house and cart off everything I own, and they wouldn't lift a paw. As long as they don't have to leave the bed, they're fine. It's up to me to handle the problem. I was advised to wait in the dark, and when the cat sneaks in, shoot a water pistol at him.
Cats hate to get wet.
This sounds like a good idea. I've got nothing else to do all night. And I do own a black ski cap. I'd have to go buy gloves, though. Another person told me to start leaving him crummy cat food.