SMYRNA - Court proceedings against the suspect accused of brazenly shooting and killing an employee of the Twice Daily in Smyrna are awaiting a mental evaluation. District Attorney General Jennings Jones says 31-year old Keanthony Williams is accused of shooting to death Nicholas Patterson during an attempted robbery at the Sam Ridley Parkway convenience store: Williams was developed as a suspect after two other reported robberies in Brentwood and Nashville just before .