Det. Allan Reddins, 40, was killed by an armed offender, authorities said. His death marks the first time an officer has died in the line of duty at the Oak Park Police Department since 1938

An Oak Park police officer was fatally shot in the line of duty Friday morning by a suspect leaving a Chase Bank, authorities said.

An Oak Park police detective was killed Friday morning by a gunman who was seen leaving a bank, marking the first killing of an officer in the line of duty in the near west suburb in 86 years, officials said.