Roll of Honor
Incident
Around 7:20 a.m., Cpl. Antonio Arseneault and Transport Quebec patroller Jean-Yves Therrien were setting up traffic cones to close off a traffic lane because of a broken down school bus when a motorist driving a white subcompact slammed into them. Cpl. Arseneault was killed instantly, Therrien died in hospital. Cpl. Arseneault was a 10-year veteran of the Sûreté who had previously spent 22 years with the municipal force in Amos, in the Abitibi region, and had been with the Sûreté’s Laval traffic section since it was created two years ago. 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 …
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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.
Officer Arseneault served with the Royal Canadian Mounted Police.
Thank you for your service. Gone but never to be forgotten.
Rest easy, Arseneault.
— S. Vincent Anthony, U.S. Army 1985-1993
Agency
Service Record
Incident Details
Antonio Arseneault is one of 1 officers lost under undetermined circumstances across the full record of this memorial — 0% of all 97,772 officers honored here.
In ON, 266 of 364 officers were lost under undetermined circumstances — 73.1% of this state's fallen. That is 73.1 percentage points above the national rate of 0%.
At Royal Canadian Mounted Police, 236 of 333 officers on record were lost under undetermined circumstances — 70.9% of this agency's fallen.
National Cause Distribution
How Undetermined compares to all causes of officer death in the memorial record. Antonio Arseneault's cause is highlighted.
How Antonio Arseneault Compares
When Undetermined Deaths Occur
Monthly distribution of Undetermined deaths across the full memorial record. Antonio Arseneault is highlighted in Oct.
Incident Location
Laval, QC.
Others Who Wore This Badge
332 officers from Royal Canadian Mounted Police are honored on badge.nw. Showing the 16 most recent.
