Update #1: ARREST - Homicide Unit Investigating Sudden Death – St. Catharines
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Detectives with the Niagara Regional Police Service (NRPS) Homicide Unit continue to investigate this suspicious death. On Monday, May 18, 2026, detectives arrested a suspect in this matter.
40-year-old Joshua ST OMER of St Catharines was arrested for the following criminal offence:
- Second Degree Murder
ST OMER remains in custody and is scheduled to attend a bail hearing on Tuesday, May 19, 2026, at the Robert S. K. Welch Courthouse, located at 59 Church Street in St Catharines.
The identity of the victim is not being released at this time.
Original Media Release
On Friday, May 15, 2026, at approximately 4:15 PM, uniform officers with the Niagara Regional Police Service (NRPS) 1 District (St. Catharines/Thorold) responded to a residence in the area of Lakeshore Road and Lake Street in the City of St. Catharines for reports of two people without vital signs.
Upon arrival, one adult female was located deceased within the residence.
An adult male was transported to a local hospital for treatment. His injuries are expected to be non-life threatening.