Incident
Cst. Lionide Johnston was killed on March 3, 2005 on the property of James Roszko, 11 km north of Rochfort Bridge, northwest of Edmonton near the town of Mayerthorpe, Alberta. Cst. Johnston was shot and killed, along with RCMP Constables Brock Myrol, Peter Schiemann, and Anthony Gordon, while executing a property seizure on the farm. The Mayerthorpe incident was the worst one-day loss of life for the RCMP in 100 years. As we start 2026, we can look back and note that we have been very fortunate to not have lost anyone in Canada to a Line of Duty Death (LODD) these last two years. Since the launch of the Memorial Rib… Photo: Memorial Ribbon Society Directors Shawn Coady & James Pearson with Tumbleweed Spirits Co-Owner Mike Patterson Police and Peace Officers’ Memorial Ribbon Society Directors Shawn Coady and …
In Our Keeping
- Permanent identifier
BO-CA-FED-26B6B5E2- Stewardship
- Maintained by NeuraWeb Global Inc.
- Added to badge.nw
- April 8, 2026
- Last updated
- July 23, 2026
Honored here by 1 sentinel - 1 tribute.
Are you family? This record can be claimed and maintained by those who knew Lionide. Claim this record.
This page is permanent and free. No fee to view it, no advertising, no tracking, and no account required. It will not be taken down.
Tributes
I never knew you. I am standing here anyway.
Officer Nicholas Johnston served with the Royal Canadian Mounted Police.
Thank you for your service. Gone but never to be forgotten.
Rest easy, Nicholas Johnston.
— S. Vincent Anthony, U.S. Army 1985-1993
Agency
Service Record
Incident Details
Lionide Nicholas Johnston is one of 17,623 officers killed feloniously — deliberately targeted and murdered in the line of duty across the full record of this memorial — 54.2% of all 32,508 officers honored here.
In ON, 75 of 334 officers were killed feloniously — deliberately targeted and murdered in the line of duty — 22.5% of this state's fallen. That is 31.7 percentage points below the national rate of 54.2%.
At Royal Canadian Mounted Police, 75 of 333 officers on record were killed feloniously — deliberately targeted and murdered in the line of duty — 22.5% of this agency's fallen.
National Cause Distribution
How Felonious compares to all causes of officer death in the memorial record. Lionide Nicholas Johnston's cause is highlighted.
How Lionide Nicholas Johnston Compares
When Felonious Deaths Occur
Monthly distribution of Felonious deaths across the full memorial record. Lionide Nicholas Johnston is highlighted in Mar.
Weapons Used Against Officers
Most common weapons in felonious officer deaths.
Incident Location
Mayerthorpe, AB.
Others Who Wore This Badge
332 officers from Royal Canadian Mounted Police are honored on badge.nw. Showing the 16 most recent.















