Robert Knox Moncure
Agency patch
Federal Prohibition Agent

Robert Knox Moncure

Felonious Veteran →
End of Watch January 18, 1930
Age 34
The Vigil Panel 59 ›
Gender Male

Incident

Prohibition Agent Robert Moncure and Prohibition Agent Franklin Patterson were shot and killed while serving a search warrant at the home of a bootlegger at 2403 S Poinsettia Avenue in West Palm Beach, Florida. The suspect opened fire on Agent Patterson in the kitchen and shot Agent Moncure on the front porch. Two other agents at the scene escaped without being wounded. The suspect was arrested 20 minutes later after a brief standoff with local police. The man was acquitted due to a technicality concerning the use of a daytime warrant around the time of sunset. The suspect also said he did not know a raid was taking place and was defending his home, although there had been three recent raids resulting in several cases of liquor being confiscated. Charges that resulted in the three raids were dropped. In 1934 the case was reopened and the suspect was convicted of assault on a federal officer and sentenced to 10 years in federal prison. He died in 1958. Agent Moncure was a US Navy and US Merchant Marine veteran of WWI. He was survived by his wife, 4-year-old son, brother, and three sisters. His body is interred at Arlington National Cemetery in Arlington, Virginia.

Survivors

He was survived by his wife, 4-year-old son, brother, and three sisters.

In Our Keeping

Permanent identifier
BO-US-FED-74C5E75D
Stewardship
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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 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.
Federal Prohibition Agent Moncure served with the United States Department of the Treasury.
Thank you for your service. Gone but never to be forgotten.
Rest easy, brother.

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

Agency

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

Service Record

End of Watch January 18, 1930
Age 34
Gender Male

Incident Details

Cause Felonious
Weapon Shotgun
Offender Sentenced to 10 years

Military Service

Robert Knox Moncure served in the Navy before joining law enforcement.

View full service record on salute.nw →

Federal Prohibition Agent Robert Knox Moncure 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 the Treasury - Internal Revenue Service - Bureau of Prohibition, 20 of 37 officers on record were killed feloniously — deliberately targeted and murdered in the line of duty — 54.1% of this agency's fallen.

United States Department of the Treasury - Internal Revenue Service - Bureau of Prohibition
20
of 37 officers
54.1% 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 Knox Moncure'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 Knox Moncure Compares

Age at End of Watch
34
This officer
Avg for Felonious: 39.0 years

Offender Outcome

Sentenced to 10 years

When Felonious Deaths Occur

Monthly distribution of Felonious deaths across the full memorial record. Robert Knox Moncure is highlighted in Jan.

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 Knox Moncure was killed by shotgun.

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

Incident Location