A Man Convicted Of Killing A Former King University Basketball Player Has Been Ordered To Spend A Lengthy Time Behind Bars. A Washington County Tennessee Jury Found Jamarcus Jackson Guilty Of Second Degree Murder, Assault, And Reckless Endangerment In The Death Of Deshaun Greer In December 2014 In A Downtown Johnson City Parking Lot. He Was Sentenced To 40 Years In Prison.