On the one hand, most of these guys aren't bright enough to find their own assholes with a GPS device. On the other hand, in this age of technology it's easier than ever to find people.

It all comes down to whether or not you're important enough for them to bother. If you were a lousy earner to begin with, and if you didn't ever bring them legal problems or rat them out, I doubt they'd bother looking for you.