United States of America
Headstone of Robert J. Conkle
U.S. Army · United States United States

Robert J. Conkle

Died July 22, 1978

Robert J. Conkle served in the U.S. Army.

How He Died
Manner Homicide
Cause Gunshot wound
Mechanism Edged weapon
What Happened

Correctional Officer Robert Conkle, Lieutenant William Thomas and Correctional Officer Stanley Cole were killed during a riot at the Pontiac Correctional Center. Around 9:00 am, about 500 inmates were returning to their cells in the North Cell House when a riot erupted. The inmates set fire to several buildings in the complex resulting in an estimated $4 million in damages. Lieutenant Thomas and Correctional Officer Conkle were stabbed with shanks numerous times shortly after the riot began. Correctional Officer Cole was stabbed with a screwdriver. Correctional center staff and Illinois State Police troopers were able to restore order and return the inmates to their cells 11 hours later. Seventeen inmates were charged with the murders of the correctional officers, but none were convicted. Correctional Officer Conkle was a U.S. Army veteran and had served with the Illinois Department of Corrections for only two months.

Media
Robert J. Conkle
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Service Record
U.S. Army
Also Served
Illinois Department of Corrections
Correctional Officer
Memorials
National Law Enforcement Officers Memorial Panel 25W · Line 1 cut as ROBERT J CONKLE
In Our Keeping
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Record added August 2, 2026 neuraweb.nw
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Last updated August 2, 2026

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In tribute

I served 1985 to 1993. You served too, before the badge - different uniform, same idea. You go where you are sent and you do not get to pick the call.

Correctional Officer Conkle served with the Illinois Department of Corrections.

Thank you for your service to the people of Illinois, and for your service before it. Gone but never to be forgotten.

Rest easy, brother.

— S. Vincent Anthony, U.S. Army 1985-1993

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