Former FBI agent John Connolly is denying any role in the 1982 slaying of a Miami gambling executive.

The 68-year-old Connolly said Thursday he never gave Boston mobsters information that led to the shooting death of 45-year-old John Callahan.

That's despite a jury verdict last month that Connolly is guilty of second-degree murder.

A Miami judge decided to postpone Connolly's sentencing to consider legal motions.

Connolly faces up to life in prison. His lawyers seek a more lenient sentence.

Connolly is already serving 10 years behind bars on a 2002 federal conviction for racketeering because of his corrupt relationships with Boston's notorious Winter Hill Gang.

The gang was led by FBI most-wanted fugitive James "Whitey" Bulger.

Prosecutors said Callahan was slain after Connolly told Boston mobsters that Callahan might implicate them in another murder.

Connolly's story inspired the movie "The Departed."