Roll of Honor
Incident
Officer Raymond McMaster was shot and killed after stopping a taxi cab on State Highway 7 following a robbery in Lyons. He and his partner had positioned their car on Route 7 in anticipation the vehicle would come to Boulder. They observed the taxi and conducted a traffic stop. As Officer McMaster approached the car one of the men inside opened fire, fatally wounding him. As the three sped away his partner opened fire with a shotgun, wounding two. One was apprehended the same day. FBI agents apprehended the other two 10 days later in Denver. Two of the suspects, brothers, 22 and 32, with long criminal records, were sentenced to life and the third, 31, was acquitted of murder but convicted of armed robbery and sentenced to 20 years. The sentence of the oldest brother was commuted to 30 years to life in March of 1972. The other brother, who fired the fatal shots, was denied parole on July 1, 1977. Officer McMaster had served with the Boulder Police Department for four years.
In Our Keeping
- Permanent identifier
BO-US-CO-2B2E4558- 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.
Officer McMaster gave the Boulder Police Department 4 years.
Thank you for your service to the Boulder community. Gone but never to be forgotten.
Rest easy, Officer McMaster.
— S. Vincent Anthony, U.S. Army 1985-1993
Agency
Service Record
Incident Details
Officer Raymond J. McMaster 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 CO, 235 of 360 officers were killed feloniously — deliberately targeted and murdered in the line of duty — 65.3% of this state's fallen. That is 65.3 percentage points above the national rate of 0%.
At Boulder Police Department, 5 of 7 officers on record were killed feloniously — deliberately targeted and murdered in the line of duty — 71.4% of this agency's fallen.
National Cause Distribution
How Felonious compares to all causes of officer death in the memorial record. Raymond J. McMaster's cause is highlighted.
How Raymond J. McMaster Compares
When Felonious Deaths Occur
Monthly distribution of Felonious deaths across the full memorial record. Raymond J. McMaster is highlighted in Nov.
Weapons Used Against Officers
Most common weapons in felonious officer deaths. Raymond J. McMaster was killed by gun.
Incident Location
Others Who Wore This Badge
6 officers from Boulder Police Department are honored on badge.nw.
