Local News Ex-FDLE Chemist Graves Sentenced to 15 Years WUWF | By Dave Dunwoody Published September 14, 2016 at 4:47 PM CDT Facebook Twitter LinkedIn Email Listen • 2:52 FDLE Joseph Graves, the former Florida Department of Law Enforcement chemist charged with racketeering and other offenses, was given a 15-year sentence after entering a guilty plea on Wednesday.