A man whose murder conviction was vacated is entitled to transcripts of grand jury testimony given by the former Chicago police detective the man alleges fabricated his confession, a federal judge held.In a written opinion last week, U.S. District Judge Gary Feinerman granted Kehinda Mitchell’s petition for the disclosure of the testimony Michael McDermott gave in a separate matter before a federal grand jury on July 3, 2008, and Sept. 25, 2008.The grand jury indicted former Chicago police commander Jon Burge on charges of …