McAfee would likely still be around if he hadn't made such a blatant point of publicly thumbing his nose at the US Tax authorities. While it's possible that he was already under investigation and just decided to make a spectacle of it, one thing you do NOT want to do is piss off the bureaucrats. They'll then have literally nothing better to do than track you down, and the largest network in the world to do it, and that network has insane inertia - once they're hunting for you, it just keeps going, they don't get bored.