East Bay California criminal defense attorney Leon J. Mezzetti Jr., is a former deputy district attorney for Alameda County who has over a quarter century of criminal law experience. He has defended clients who have been charged with criminal offenses throughout the Tri-County area. Experience allows him to identify and evaluate weaknesses in the prosecution's case and exploit the strengths of your case. Mr. Mezzetti understands the fear, anxiety and stress you are experiencing. The prospect of losing your freedom or your driving privileges is daunting. That's why he takes every case very seriously.