A divided state appeals panel on Thursday rejected the postconviction petition from a defendant who presented new affidavits that allegedly disputed eyewitness testimony of the January 2001 murder he was convicted of.The majority of the 1st District Appellate Court held that the affidavits Pernell Brown produced as part of his second successive postconviction petition were not from individuals who actually witnessed Brown shooting and killing Robert Byrd at the Super Sub Shop on North Cicero Avenue in Chicago.Those …