Three Charged With Manslaughter; One Other Charged With Assault After Altercation Leads to Death of Peterborough Man

Three men are facing manslaughter charges, with another facing aggravated assault, after an incident involving the death of a 41-year-old Peterborough man over the May long weekend.

Photo by David Tuan Bui.

At roughly 9:50 p.m. on Sunday, Peterborough Police located a man with no vital signs in the Brock Street and George Street North area. They learned that there had been a verbal argument that escalated to a physical altercation between the victim and a larger group.

The victim was taken to the hospital and was pronounced deceased as a result of his injuries on Monday.

Four suspects were identified as a result of the Peterborough Police’s investigation. They believe the parties had ongoing interactions throughout the evening but had no relation prior to the incident.

“At this point, there are no suspects outstanding in the investigation and there are no known risks to public safety,” said Detective Sergeant Josh McGrath. “This was a targeted incident that unfortunately escalated into a deadly interaction.”

One suspect was located by detectives around 1 a.m. on Monday and taken into custody.

As a result of the investigation, 26-year-old Matthew Janssen-Supernault was arrested and charged with:

  • Aggravated Assault

The accused was held in custody and appeared in Weekend and Statutory Holiday (WASH) court on Monday.

Detectives arrested two more suspects on Tuesday.

24-year-old Dylan Moffatt was charged with:

  • Manslaughter

35-year-old Matthew Smith was charged with:

  • Manslaughter

Moffant and Smith are being held in custody and will appear in court on Wednesday.

24-year-old Noah Stetski, turned himself in to police on Tuesday. He was arrested and charged with:

  • Manslaughter

The accused is being held in custody and will appear in court today on Wednesday.

Anyone with information is asked to call Peterborough Police at 705-876-1122 x555 or Crime Stoppers at 1-800-222-8477 or online.

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