A CARTER COUNTY MAN ACCUSED OF ROBBING AND KILLING ANOTHER MAN HAS PLED GUILTY TO THE CRIME IN SULLIVAN COUNTY CRIMINAL COURT. 32 YEAR OLD CASEY BRITT PLED GUILTY TO SECOND DEGREE MURDER. HE ADMITTED TO STABBING RICHARD LEE SHANKLIN OF GEORGIA IN FEBRUARY OF LAST YEAR DURING AN ARGUMENT OVER MONEY. A JUDGE HAS ORDERED BRITT TO SERVE 25 YEARS IN PRISON.