Stanley W. Cooper
Agency patch
Special Deputy Marshal

Stanley W. Cooper

Felonious
End of Watch January 4, 2010
Age 72
Tour of Duty 42 yrs
The Vigil Panel 158 ›
Gender Male

Incident

Location: Nevada Weapon: Shotgun Offender: Shot and killed

Special Deputy Marshal Stanley Cooper was shot and killed when a man entered the lobby of the Lloyd D. George Federal Courthouse in Las Vegas, Nevada, and opened fire with a shotgun. A United States deputy marshal was also wounded.

The suspect was pursued across the street by several deputy marshals. He was shot and killed in the ensuing gunfight with the officers.

Special Deputy Marshal Cooper had served as a federally deputized court officer for 16 years after retiring with 26 years as a police officer with the Las Vegas Metropolitan Police Department.

Lord Jesus, as we watch America’s Peace Officers succumb to the wicked and evil in this world, Shot and Killed in the Line-of-Duty, it becomes difficult for us to pick up and move forward. Our communities are on the brink of exploding with tension. In light of the peace officers who are no longer with us, I pray for endurance for our communities and law enforcement agencies. Carry us through this time of strife, that through our struggles, our bonds may grow even more unbreakable. In Your mighty and holy name, I pray. Amen.

Holy Scriptures on Law Enforcement’s Mission:

“For the policeman [peace officer] does not frighten people who are doing right; but those doing evil will always fear him. So if you don’t want to be afraid, keep the laws and you will get along well. The policeman [peace officer] is sent by God to help you. But if you are doing something wrong, of course you should be afraid, for he [the peace officer] will have you punished. He [the peace officer] is sent by God for that very purpose. Obey the laws, then, for two reasons: first, to keep from being punished, and second, just because you know you should.” [Romans 13:3-5 TLB]

[Jesus Said,] “Greater love has no one than this, that someone lay down his life for his friends.” [John 15:13 ESV]

And he [Jesus] said to him, “Truly, I say to you, today you will be with me in paradise.” [Luke 23:43 ESV]

“Blessed are the peacemakers, for they shall be called sons [children] of God.” [Matthew 5:9 ESV]

“And I heard the voice of the Lord saying, “Whom shall I send, and who will go for us?” Then I said, “Here am I! Send me.” [Isaiah 6:8 ESV]

Chaplain Steven R. Closs, DDiv, MSBS, NCCA, FCPO-USA Ordained Christian Global Outreach Minister No. 36526 The Badge 183 Peacemakers Prayer Ministry January 11th, 2024

In Our Keeping

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April 2, 2026
Last updated
July 23, 2026

Honored here by 1 sentinel - 1 tribute.

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Tributes

42 years. You could have gone home.
Special Deputy Marshal Cooper gave the United States Department of Justice 42 years. Still answering calls at the end.
Thank you for your service. Gone but never to be forgotten.
Rest easy, Special Deputy Marshal Cooper.

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

Agency

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

Service Record

End of Watch January 4, 2010
Tour of Duty 42 yrs
Age 72
Gender Male

Incident Details

Cause Felonious
Cause Detail Gunfire
Weapon Shotgun
Offender Shot and killed

Special Deputy Marshal Stanley W. Cooper 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 - United States Marshals Service, 251 of 313 officers on record were killed feloniously — deliberately targeted and murdered in the line of duty — 80.2% of this agency's fallen.

United States Department of Justice - United States Marshals Service
251
of 313 officers
80.2% 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. Stanley W. Cooper'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 Stanley W. Cooper Compares

Age at End of Watch
72
This officer
Avg for Felonious: 39.0 years
Years of Service
42
This officer
Avg for Felonious: 8.5 years

Offender Outcome

Shot and killed

When Felonious Deaths Occur

Monthly distribution of Felonious deaths across the full memorial record. Stanley W. Cooper 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. Stanley W. Cooper was killed by shotgun.

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