A Kingsport Man Convicted In The Stabbing Death Of A Woman In 2004 Will Spend The Rest Of His Life Behind Bars. Michael David Fields Was Convicted Of First Degree Murder, Aggravated Burglary And Aggravated Kidnapping In The Killing Of Karen Knuckles At Ballis Tourist Home On West Sullivan Street. He Was Ordered To Serve Life In Prison Plus Forty Years. Meanwhile, Fields Has A Trial Set In April For The Beating Deaths Of Two People After A Drug Deal Gone Bad. He’s Charged With First Degree Murder, Two Counts Of Felony Murder And Especially Aggravated Robbery In The Killings Of Glen Thacker And Asiah Foster-Walton In 2006. Authorities Claim The Incident Was Drug Related. A Jury Failed To Reach A Verdict In The Case Last Year And Fields Will Be Retried On April 12th.