Joseph Mallory Gassman
Agency patch
Deputy Sheriff

Joseph Mallory Gassman

Felonious
End of Watch January 30, 1966
Age 56
Tour of Duty 9 yrs
The Vigil Panel 101 ›
Gender Male

Incident

Deputy Joseph Gassman was stabbed to death while attempting to arrest a fugitive for aggravated assault. When he informed the suspect that he was under arrest the man pulled out a concealed knife and stabbed him several times. The man was strangled to death on February 28th, 2010, by another inmate while serving a life sentence at Zephyrhills Correctional Institution. Deputy Gassman had been with the Escambia County Sheriff's Office for nine years.

Survivors

He was survived by his wife and three children.

In Our Keeping

Permanent identifier
BO-US-FL-54DCBE3F
Stewardship
Maintained by NeuraWeb Global Inc.
Added to badge.nw
August 2, 2026
Last updated
August 2, 2026

Honored here by 1 tribute.

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Tributes

I never knew you. I am standing here anyway.
Deputy Sheriff Gassman gave the Escambia County Sheriff's Office 9 years.
Thank you for your service to the Pensacola community. Gone but never to be forgotten.
Rest easy, Deputy Sheriff Gassman.

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

Agency

Type Sheriff's Office
Location Pensacola, Escambia County, FL
Platform Identity ecso.escambia.fl.us.gov.nw

Service Record

End of Watch January 30, 1966
Tour of Duty 9 yrs
Age 56
Gender Male

Incident Details

Cause Felonious
Weapon Edged weapon

Deputy Sheriff Joseph Mallory Gassman is one of 1 officers killed feloniously — deliberately targeted and murdered in the line of duty across the full record of this memorial — 0% of all 97,772 officers honored here.

In FL, 539 of 1,008 officers were killed feloniously — deliberately targeted and murdered in the line of duty — 53.5% of this state's fallen. That is 53.5 percentage points above the national rate of 0%.

At Escambia County Sheriff's Office, 10 of 13 officers on record were killed feloniously — deliberately targeted and murdered in the line of duty — 76.9% of this agency's fallen.

Escambia County Sheriff's Office
10
of 13 officers
76.9% Felonious
FL — Statewide
539
of 1,008 officers
53.5% Felonious
Nationwide
1
of 97,772 officers
0% Felonious

National Cause Distribution

How Felonious compares to all causes of officer death in the memorial record. Joseph Mallory Gassman's cause is highlighted.

Felonious
1 (0%)
Accident
1 (0%)
Illness
1 (0%)
Cardiac
1 (0%)
Undetermined
1 (0%)
Suicide
1 (0%)

How Joseph Mallory Gassman Compares

Age at Death
56
This officer
Avg for Felonious: 39.0 years
Years of Service
9
This officer
Avg for Felonious: 8.4 years

When Felonious Deaths Occur

Monthly distribution of Felonious deaths across the full memorial record. Joseph Mallory Gassman is highlighted in Jan.

Jan
1,392
Feb
1,295
Mar
1,373
Apr
1,516
May
1,504
Jun
1,442
Jul
1,587
Aug
1,517
Sep
1,491
Oct
1,371
Nov
1,447
Dec
1,624

Weapons Used Against Officers

Most common weapons in felonious officer deaths. Joseph Mallory Gassman was killed by edged weapon.

Handgun
3,684
Gun
3,592
Gun; Unknown type
1,492
Shotgun
1,109
Rifle
935
Officer's handgun
909