A Johnson City Man Accused Accused Of Killing A City Woman Over Two Years Ago Has Withdrawn His Guilty Plea And Will Stand Trial. 25 Year Old Dallas Sarden Had Planned To Plead Guilty In Exchange For A 40 Years Prison Sentence, But Had A Change Of Heart At The Last Minute. He’s Charged With First Degree Murder In The August 2015 Death Of Karen Parker Inside Her Nathaniel Drive Apartment. His Co-Defendant, Aaron Garland Was Already Convicted Of Murder And Is Serving A Life Sentence. Garland And Sarden Have Blamed Each Other For The Crime. Sarden Remains In Jail Until His Trial Is Set.