In my short stint working at the police department (a lifetime ago, it seems), we used to have a saying. "We never catch the smart ones," veteran officers would tell me. Fortunately for us, most people who decide on a life of crime aren't smart, and even the smart ones eventually do something stupid. I am reminded of this all the time reading about dumb criminals in the news, like this winner here. For all you young fledging criminals out there, if you are going to be dealing with unsavory people doing unsavory things, and a disagreement ensues, the police are probably not the people you want to call to settle the dispute.
Oh, and don't sell your children. Even for a lot of beer.