June 6, 1981
First Deputy Superintendent James J. Riordan was shot and killed when he confronted an intoxicated person creating a disturbance.
Deputy Superindentent Riordan was attending a dinner at a downtown hotel when the incident occurred. As he confronted the intoxicated man the offender produced a .380 caliber handgun and shot him in the chest several times.
The gunman was arrested and convicted. He was sentenced to life for the murder.
Deputy Superintendent Riordan had served with the agency for 34 years. He was survived by his wife and seven children. Five of his children are now police officers.