A Jonesborough Man Will Spend Decades In Prison For His Role In A Deadly Fentanyl Overdose In Johnson City. 43-Year-Old Christopher Brian Jones Was Sentenced To 33 Years In Prison In The Death Of 23-Year-Old Isaiah Beatty. Jones Was Found Guilty Of Second-Degree Murder After A Jury Trial In January. Police Said A Search Of Jones’ Home In November 2021 Uncovered Fentanyl, Methamphetamine, Pressed Xanax Pills, Propofol, Drug Paraphernalia, And Several Guns. His Sentence Includes 20 Years To Serve At 100 Percent, 10 Years To Serve At 30 Percent, And 3 Years To Serve At 100 Percent.