Andy Petite understood the game. He admitted he used human growth hormone, made an excuse and asked his fans for forgiveness.
Barry Bonds and Roger Clemens decided to deny the allegations and proclaim their innocence. Look where it got them - in the crosshairs of a federal investigation.
Daniel Solove blogs about why innocent citizens are punished more harshly than the guilty in Concurring Opinions. There are a number of reasons why - the federal sentencing guidelines reward citizens who "accept responsibility" for their actions, courts impose "trial taxes" on citizens who insist on their right to trial and parole boards look upon inmates who deny culpability more harshly than those who don't.