A Washington County Tennessee Jury Has Found The Second Of Two Men Charged With Killing A Woman In Johnson City Guilty. 25 Year Old Dallas Sarden Was Convicted Of Of First Degree Murder And Robbery In The August 2015 Slaying Of 49 Year Old Karen Parker In Her Nathanial Drive Apartment. His Co-Defendant, Aaron Garland, Was Convicted Last Year And Is Serving A Life Sentence. A Sentencing Date For Sarden Is Scheduled For July 26th.