Two Johnson County Tennessee Men Who Plead Guilty In U.S. District Court In Greeneville Last Summer To Using A Gun While Carjacking Someone Have Been Sentenced. A Federal Judge Ordered Richard Shane Mabe To 20 Years In Prison And Timothy Greer To More Than A Year And-A-Half In Prison. Both Will Serve Five Years Probation After Their Release. Mabe And Greer Took Officers On A High Speed Chase, During Which Mabe Fired Shots At Officers. No One Was Injured.