Another inmate who maintains he was wrongly convicted in a separate killing is now challenging his death sentence in a case with eerie similarities to Hinton's, down to allegations of botched ballistics evidence, a questionable eyewitness identification and the judge and prosecutor who handled both trials. Donnis George Musgrove, who been on death row for 27 years but says he is innocent, is asking a federal judge to overturn his case — the first step toward what his lawyers hope will be freedom for a man they contend was wrongly convicted during a trial fraught with unconstitutional errors, cooked-up evidence, prosecutorial misconduct, inept defense work and outright lies. Experts have proven that a shell casing used during the trial to link Musgrove to the Sept.