Authorities said the 88-year-old Berkeley Township resident shot his 87-year-old wife in her hospital room at Community Medical Center at a little after noon on Friday.
Mason then turned the gun on himself. Police found him slumped on the floor in the room. A second patient sharing the room was unharmed.
A small caliber handgun used in the shootings was recovered.
Mason was airlifted to the trauma center at Jersey Shore University Medical Center in Neptune after the shooting.
