The Defense Will Begin Presenting Its Side In The First Degree Murder Trial Of A Kingsport Man Accused Of Killing A Woman Nearly Five Years Ago. 40 Year Old Michael Fields Allegedly Stabbed Karen Knuckles To Death At Ballis Tourist Home On Sullivan Street. Prosecutors Rested Their Case Yesterday. Fields Is Also Charged With Especially Aggravated Robbery And Burglary. Forensic Pathologist Dr. William Mccormick Testified That Knuckles Was Stabbed Or Cut At Least 25 Times And That She Bled To Death. It’s Unclear If Fields Plans To Take The Witness Stand In His Own Defense. A Verdict Could Come As Early As Tomorrow.