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Incident
Marshal John Rennix was shot and killed while intervening in a dispute between on the city's Main Street. A saloon owner who was upset that citizens had testified against him in an assault case got drunk and challenged one of the witnesses. As Marshal Rennix attempted to quiet the man down he was shot in the stomach. The man then fled to the second floor or a nearby building and opened fire from a window, killing a citizen. The man then committed suicide as a posse surrounded the building. Marshal Rennix was taken to a sanitarium in Glenwood Springs where he died the next day.
Survivors
He was survived by his wife and four daughters.
In Our Keeping
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- 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.
Town Marshal Rennix served with the New Castle Police Department.
Thank you for your service to the New Castle community. Gone but never to be forgotten.
Rest easy, Town Marshal Rennix.
— S. Vincent Anthony, U.S. Army 1985-1993
Agency
Service Record
Incident Details
The Sacrifice · Felonious
John is the only officer of New Castle Police Department remembered here.
John is one of 236 officers killed feloniously in CO, 65.4% of the 361 remembered there.
John is one of 15,743 officers killed feloniously in the United States, 57.1% of the 27,551 remembered there.
John is one of 17,631 officers killed feloniously worldwide, 52% of the 33,917 remembered here.
33,917 officers are remembered on this memorial. Each number below is one of them.
Time
In 1910, 3 officers in CO were killed feloniously, the 17th heaviest of 113 years on record. The heaviest was 1929, with 9.
In 1910, 121 officers in the United States were killed feloniously, the 43rd heaviest of 213 years on record. The heaviest was 1921, with 248.
In 1910, 124 officers worldwide were killed feloniously, the 47th heaviest of 265 years on record. The heaviest was 1921, with 516.
Who
John was 43. Of the 184 killed feloniously in CO whose age is recorded, half were between 30 and 47; the middle age was 39.
John was 43. Of the 14,220 killed feloniously in the United States whose age is recorded, half were between 31 and 47; the middle age was 38.
John was 43. Of the 15,854 killed feloniously worldwide whose age is recorded, half were between 30 and 46; the middle age was 38.
When
November holds 10.2% of these deaths in CO; October holds the most, 11.9%. Fridays: 13.1%.
November holds 8.1% of these deaths in the United States; December holds the most, 9.4%. Fridays: 14.3%.
November holds 8.2% of these deaths worldwide; December holds the most, 9.2%. Fridays: 14.3%.
How
Felonious deaths account for 100% of all 1 deaths at New Castle Police Department. The weapon recorded was gun, in 100% of these deaths.
Felonious deaths account for 65.4% of all 361 deaths in CO, the most common cause. The weapon recorded was gun, in 25% of these deaths.
Felonious deaths account for 57.1% of all 27,551 deaths in the United States, the most common cause. The weapon recorded was gun, in 22.8% of these deaths.
Felonious deaths account for 52% of all 33,917 deaths worldwide, the most common cause. The weapon recorded was gun, in 20.4% of these deaths.
Where the Name Is Cut
National Law Enforcement Officers Memorial · Panel 49-E
What is kept
Photographs, film, sound and papers — what survived a life.
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