Lieutenant Grover Cooper and Detective Jimmy Wouters were the second and third officers killed in the line of duty. On January 12, 1987, several officers from the Fort Pierce Police Special Investigations unit were working on a drug investigation when shots rang out. Both Lt. Cooper and Detective Wouters were shot. They died several hours apart. Officer Robert Spring was wounded in the shooting. Spring survived and later retired from the department. Lt. Cooper and Detective Wouters were promoted posthumously to captain and sergeant, respectively. On January 12, 2012, exactly twenty-five years after Lieutenant Grover C. Cooper III and Sergeant James A. Wouters made the ultimate sacrifice to Protect our community, the Fort Pierce Police Department Main Station was dedicated in their honor and officially renamed ad the Grover C. Cooper III, James A. Wouters Main Police Station.