Prosecutor: inmate convicted in atheist's plot dies in prison 02/04/2003 The Associated PressSAN ANTONIO — A prosecutor says the man convicted in the extortion plot that ended in the slaying of atheist activist Madalyn Murray O'Hair has died in prison.David R. Waters had suffered from poor health since his sentencing on a federal extortion charge in O'Hair's death.Assistant U.S Attorney Gerald Carruth of Austin, who prosecuted Waters and once described him in court as "a depraved recidivist," learned of his death Monday."We always have believed and still believe that Mr. Waters was the mastermind of this plot," Carruth told the...