John H. Weidkamp
Agency patch
Deputy Sheriff

John H. Weidkamp

Felonious
End of Watch August 6, 1929
Age 39
The Vigil Panel 57 ›
Gender Male

Incident

Deputy Sheriff John Weidkamp was shot and killed in Quincy while attempting to arrest a man and woman in a stolen car.

Both subjects were arrested and convicted of Deputy Weidkamp's murder. The woman was sentenced to 25 years in prison and the man was sentenced to life in prison.

Rest In Peace. You are not forgotten.

A fellow copper St. Louis Police Department February 27th, 2023

In Our Keeping

Permanent identifier
BO-US-IL-F57F0F38
Stewardship
Maintained by NeuraWeb Global Inc.
Added to badge.nw
April 2, 2026
Last updated
July 23, 2026

Honored here by 1 sentinel - 1 tribute.

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Tributes

I never knew you. I am standing here anyway.
Deputy Sheriff Weidkamp served with the Adams County Sheriff's Office.
Thank you for your service to the Quincy community. Gone but never to be forgotten.
Rest easy, Deputy Sheriff Weidkamp.

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

Agency

Location Quincy, IL
Platform Identity acso.adams.il.us.gov.nw

Service Record

End of Watch August 6, 1929
Age 39
Gender Male

Incident Details

Cause Felonious
Cause Detail Gunfire
Weapon Gun; Unknown type
Offender Sentenced to life

Deputy Sheriff John H. Weidkamp is one of 17,623 officers killed feloniously — deliberately targeted and murdered in the line of duty across the full record of this memorial — 54.2% of all 32,508 officers honored here.

In IL, 842 of 1,318 officers were killed feloniously — deliberately targeted and murdered in the line of duty — 63.9% of this state's fallen. That is 9.7 percentage points above the national rate of 54.2%.

Adams County Sheriff's Office
1
of 1 officers
100% Felonious
IL — Statewide
842
of 1,318 officers
63.9% Felonious
Nationwide
17,623
of 32,508 officers
54.2% Felonious

National Cause Distribution

How Felonious compares to all causes of officer death in the memorial record. John H. Weidkamp's cause is highlighted.

Felonious
17,623 (54.2%)
Accident
10,088 (31%)
Illness
2,974 (9.1%)
Cardiac
1,306 (4%)
Undetermined
260 (0.8%)
Suicide
256 (0.8%)
vehicular
1 (0%)

How John H. Weidkamp Compares

Age at End of Watch
39
This officer
Avg for Felonious: 39.0 years

Offender Outcome

Sentenced to life

When Felonious Deaths Occur

Monthly distribution of Felonious deaths across the full memorial record. John H. Weidkamp is highlighted in Aug.

Jan
1,392
Feb
1,295
Mar
1,373
Apr
1,517
May
1,505
Jun
1,443
Jul
1,587
Aug
1,516
Sep
1,553
Oct
1,371
Nov
1,447
Dec
1,624

Weapons Used Against Officers

Most common weapons in felonious officer deaths. John H. Weidkamp was killed by gun; unknown type.

Gun; Unknown type
5,083
Handgun
2,077
Shotgun
922
Officer's handgun
909
Automobile; Alcohol involved
530
Rifle
518