At the time of his arrest in February 1981 , Mason had in his possession a loaded sawed - off shotgun and pistol and other ammunition .
Mason then handcuffed the victims to chairs and robbed them of $47,000 worth of jewelry and coins .
At the time of Mason 's arrest in February 1981 , Mason had in his possession a loaded sawed - off shotgun and pistol and other ammunition .
Mason then handcuffed the victims to chairs and robbed them of $47,000 worth of jewelry and coins .