Robert Mansfield Buck
Agency patch
Special Agent

Robert Mansfield Buck

Felonious
End of Watch February 1, 1932
The Vigil Panel 63 ›
Gender Male

Incident

Special Agent Robert Buck was shot and killed while conducting an investigation in Hancock County, Mississippi. He and another agent were conducting surveillance of a still when two armed men arrived. The agents ordered the men to surrender but were met with gunfire. Agent Buck was fatally wounded. A man, 40, who fired the fatal shot, and his son-in-law 25, were arrested and charged with murder. The gunman testified he did not know the men were agents. He was acquitted and charges against his son-in- law were dropped.

In Our Keeping

Permanent identifier
BO-US-CA1EE352
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.
Special Agent Buck served with the United States Department of Justice.
Thank you for your service. Gone but never to be forgotten.
Rest easy, Special Agent Buck.

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

Agency

Location Washington, DC
Platform Identity usdjbpfed.fed.us.gov.nw

Service Record

End of Watch February 1, 1932
Gender Male

Incident Details

Cause Felonious
Weapon Gun; Unknown type
Offender Acquitted

Special Agent Robert Mansfield Buck 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 DC, 754 of 1,419 officers were killed feloniously — deliberately targeted and murdered in the line of duty — 53.1% of this state's fallen. That is 1.1 percentage points below the national rate of 54.2%.

At United States Department of Justice - Bureau of Prohibition, 22 of 35 officers on record were killed feloniously — deliberately targeted and murdered in the line of duty — 62.9% of this agency's fallen.

United States Department of Justice - Bureau of Prohibition
22
of 35 officers
62.9% Felonious
DC — Statewide
754
of 1,419 officers
53.1% 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. Robert Mansfield Buck'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 Robert Mansfield Buck Compares

Offender Outcome

Acquitted

When Felonious Deaths Occur

Monthly distribution of Felonious deaths across the full memorial record. Robert Mansfield Buck is highlighted in Feb.

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. Robert Mansfield Buck 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