Mealey's (November 29, 2017, 11:29 AM EST) -- SAN FRANCISCO — The Ninth Circuit U.S. Court of Appeals on Nov. 27 upheld a man’s conviction for being a felon in possession of a gun after finding that the trial court did not abuse its discretion in denying the man’s request to exclude a firearms examiner’s testimony and a written ballistics analysis (United States of America v. Valentino Johnson, Nos. 16-10184, 16-10225, 9th Cir., 2017 U.S. App. LEXIS 23911)....