An appeals court has upheld the conviction of a former FBI agent in the 1982 slaying of a Florida gambling executive in a case connected to imprisoned New England mob boss James "Whitey" Bulger.

The full 3rd District Court of Appeal's decision Wednesday in the case of ex-agent John Connolly reversed that of a three-judge panel of the same court. The court concluded Connolly could be convicted of second-degree murder with a firearm even though he was 1,500 miles away when a hit man fatally shot World Jai-Alai President John Callahan in 1982.

The judges agreed with prosecutors that the firearm enhancement was proper because Connolly was certainly armed when he tipped Bulger's gang that Callahan was about to implicate them in another killing.

Connolly is serving a 40-year sentence.