Sorry, but no.

Check out this juicy article over on Pajiba: "Truman Capote and the Confessed Killer He Might Have Murdered". A word of warning, however: the story behind that eye-catching title is both tragic and of obvious interest to Capote fans, but the title is more than a little misleading. Capote was in many ways a horrible human being, but calling him a murderer is really pushing it.