Is Barry Bonds Guilty?

He has been charged with four counts of perjury and one of obstruction of justice following a four-year investigation into steroids. But what evidence is there that he used steroids? I can't comment on the chemical and biologicial issues, but I have analyzed his stats. What comes out is that probably no other player has had such a dramatic and sustained improvement in his late thirties. Players normally have their best performances in their late 20s but Bonds had his best years in his late 30s. Some players have done better in their late 30s than they did before, but no one has improved as much as Bonds. Why would a player do so much better in his 30s, an age when many players' careers are actually over? A special training program? Better nutrition? Some new batting technique? It raises the questions that steroids were involved, so Bonds may have had something to hide. You can read my analysis on this here and here and here