Robert L. Johnson
Agency patch
Jailer

Robert L. Johnson

Felonious
End of Watch September 28, 1859
Tour of Duty 7 yrs
The Vigil Panel 2 ›
Gender Male

Incident

Jailer Robert Johnson and Constable George Morris, of the Cameron County Constable's Office, were shot and killed during a raid of Brownsville that became part of a series of events later termed the "Cortina War."

Between 60 and 100 men, lead by a wealth rancher, raided the city of Brownsville with the intent of killing government officials and prominent citizens whom the rancher held grievances against. Jailer Johnson was slain while attempting to prevent some of the men from freeing several prisoners who were in the county jail.

Constable Morris was shot after seeking shelter underneath his home, on the abandoned Fort Brown military installation, when it was attacked.

The leader of the attackers fled to Mexico and was never captured or tried. Three of the attackers were convicted of murder and hanged on June 22nd, 1866.

Jailer Johnson had served with the Cameron County Sheriff's Office for seven years.

In Our Keeping

Permanent identifier
BO-US-TX-77B3D646
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

167 years is a long time for a name to go unread. Not today.
Jailer Johnson gave the Cameron County Sheriff's Office 7 years.
Thank you for your service to the Olmito community. Gone but never to be forgotten.

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

Agency

Type Sheriff's Office
Location Olmito, Cameron County, TX
Platform Identity ccso.cameron.tx.us.gov.nw

Service Record

End of Watch September 28, 1859
Tour of Duty 7 yrs
Gender Male

Incident Details

Cause Felonious

Jailer Robert L. Johnson 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 TX, 1,461 of 2,422 officers were killed feloniously — deliberately targeted and murdered in the line of duty — 60.3% of this state's fallen. That is 60.3 percentage points above the national rate of 0%.

At Cameron County Sheriff's Office, 12 of 13 officers on record were killed feloniously — deliberately targeted and murdered in the line of duty — 92.3% of this agency's fallen.

Cameron County Sheriff's Office
12
of 13 officers
92.3% Felonious
TX — Statewide
1,461
of 2,422 officers
60.3% 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. Robert L. Johnson's cause is highlighted.

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

How Robert L. Johnson Compares

Years of Service
7
This officer
Avg for Felonious: 8.4 years

When Felonious Deaths Occur

Monthly distribution of Felonious deaths across the full memorial record. Robert L. Johnson is highlighted in Sep.

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.

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

Incident Location