One Of Three People Accused In A Double Homicide In Carter County Has Had Murder Charges Dismissed In Criminal Court. The State Filed A Motion To Have The Charges Against Tyler Shell Dropped In The June 2012 Killing Of Joyce Brock And Russell Shell. Lynn Whitehead And Jonathan Shell Pleaded Guilty To Second-Degree Murder In December 2012. Tyler Shell Confessed To Driving The Two Men To Shell’s Home, But Claimed He Was Unaware Of Plans To Kill The Couple.