Incident
The East Texas Regulator-Moderator War was a feud in Harrison and Shelby counties from 1839 to 1844. The Regulators were organized to “regulate” cattle rustling and crime through vigilante justice. The Moderators were organized to “moderate” the vigilante actions of the Regulators. Campbell was appointed sheriff in late 1840 after the elected sheriff resigned. William Pinckney Rose, known as “Captain Rose,” was the leader of the Regulators. Two of his men, George W. Rembert and Isaac Hughes, organized a posse to capture two thieves, but it was a trap set by Moderators. Rembert was shot and killed and the others fled.
Shortly afterwards, a posse led by Sheriff Campbell found Hughes and ordered him to surrender. Hughes refused and Sheriff Campbell ordered the posse to fire. Hughes was killed in the volley. Hughes’ brother sought revenge and was assisted by Captain Rose. On January 23, 1841, Sheriff Campbell was assassinated in Port Caddo by Hughes’ brother and perhaps Captain Rose. Robert Potter, the leader of the Moderators, had Rose charged with murdering Sheriff Campbell and two other men. The President of the Republic of Texas put a reward of $500 for the arrest and conviction of Rose for murdering Sheriff Campbell while he was in the discharge of his official duties.
Potter formed a posse and attempted to arrest Rose and collect the reward on March 1, 1842. Rose was hidden by his slaves and escaped capture. On March 2, 1842 Captain Rose formed a posse and surrounded Potter’s cabin. Potter decided to attempt to escape across the lake and was shot and killed. Potter’s wife filed charges against Rose and nine posse members, but cases were dismissed in 1843. It is believed that Rose died in 1850.
No other personal information is known about John B. Campbell except that he was a medical doctor and moved to Texas in 1839. His place of burial and family history is unknown.
The East Texas Regulator-Moderator War was a feud in Harrison and Shelby counties from 1839 to 1844. The Regulators were organized to “regulate” cattle rustling and crime through vigilante justice. The Moderators were organized to “moderate” the vigilante actions of the Regulators. Campbell was appointed sheriff in late 1840 after the elected sheriff resigned. William Pinckney Rose, known as “Captain Rose,” was the leader of the Regulators. Two of his men, George W. Rembert and Isaac Hughes, organized a posse to capture two thieves, but it was a trap set by Moderators. Rembert was shot and killed and the others fled.
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- August 2, 2026
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Tributes
185 years is a long time for a name to go unread. Not today.
Sheriff Campbell served with the Harrison County Sheriff's Office.
Thank you for your service to the Marshall community. Gone but never to be forgotten.
— S. Vincent Anthony, U.S. Army 1985-1993
Agency
Service Record
Incident Details
The Sacrifice · Felonious
Harrison County Sheriff's Office has lost 6 officers; 4 of them killed feloniously.
John is one of 1,462 officers killed feloniously in TX, 60.3% of the 2,423 remembered there.
John is one of 15,743 officers killed feloniously in the United States, 57.1% of the 27,552 remembered there.
John is one of 17,623 officers killed feloniously worldwide, 51.7% of the 34,103 remembered here.
34,103 officers are remembered on this memorial. Each number below is one of them.
Time
In 1841, 5 officers in TX were killed feloniously, the 117th heaviest of 180 years on record. The heaviest was 1928, with 19.
In 1841, 7 officers in the United States were killed feloniously, the 178th heaviest of 213 years on record. The heaviest was 1921, with 248.
In 1841, 10 officers worldwide were killed feloniously, the 179th heaviest of 265 years on record. The heaviest was 1921, with 516.
Who
John had served 0.2 years; the middle length of service was 4 years.
John had served 0.2 years; the middle length of service was 6 years.
John had served 0.2 years; the middle length of service was 6 years.
When
January holds 7.2% of these deaths in TX; December holds the most, 10.4%. Saturdays: 16.6%.
January holds 8% of these deaths in the United States; December holds the most, 9.4%. Saturdays: 16.3%.
January holds 7.9% of these deaths worldwide; December holds the most, 9.2%. Saturdays: 16.2%.
How
Felonious deaths account for 66.7% of all 6 deaths at Harrison County Sheriff's Office, the most common cause. The weapon recorded was unknown weapon, in 25% of these deaths.
Felonious deaths account for 60.3% of all 2,423 deaths in TX, the most common cause. The weapon recorded was unknown weapon, in 4.4% of these deaths.
Felonious deaths account for 57.1% of all 27,552 deaths in the United States, the most common cause. The weapon recorded was unknown weapon, in 0.5% of these deaths.
Felonious deaths account for 51.7% of all 34,103 deaths worldwide, the most common cause. The weapon recorded was unknown weapon, in 0.4% of these deaths.
His people
Harrison County Sheriff's Office has 6 officers remembered here, John among them.
Where the Name Is Cut
Others Who Wore This Badge
5 officers from Harrison County Sheriff's Office are honored on badge.nw.

