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A man is in custody accused of second-degree murder following a weekend homicide probe in a small Lambton County retirement community.
Published Dec 01, 2025  • Last updated 14 hours ago  • 2 minute read
An OPP cruiser is parked Monday outside a home in Northville Estates, a small retirement community in Lambton Shores near Port Franks and Thedford. Lambton OPP said one person died, a second person was taken to hospital with serious injuries, and a third person was arrested amid a homicide probe Saturday in Lambton Shores. (Terry Bridge/Sarnia Observer)Article content
LAMBTON SHORES – A young man is in custody accused of second-degree murder and attempted murder following a weekend homicide probe in a small Lambton County retirement community near Lake Huron.
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Lambton OPP said they were called around 1:40 p.m. Saturday to a home in Lambton Shores, where one person died, a second person was taken to hospital with serious injuries, and a third person was arrested. Police did not release any names.
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Justin Hack appeared in court Sunday by video from Lambton OPP headquarters in Petrolia. Hack, who said little other than he was tired, was told he is charged with the second-degree murder of Kimberley Hack, the attempted murder of Thomas Organ, and two counts of assault with a weapon, a knife, on both Nancy and Peter Gosnek.
No publication ban was ordered during Sunday’s court appearance. The charges haven’t been tested in court.
An OPP cruiser is parked Monday outside a home in Northville Estates, a small retirement community in Lambton Shores near Port Franks and Thedford. (Terry Bridge/Sarnia Observer)
The incident took place at a small home in a year-round retirement community called Northville Estates, nestled in a wooded area near Port Franks, Thedford, and the Pinery Provincial Park.
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A man who lives near Northville Estates said Monday a woman who lived in the home was stabbed to death and neighbours who came to try to help her also were injured. The neighbour said he regularly saw the woman walk her dog in the area.
Between eight and 12 police vehicles were parked in the area on Saturday afternoon, he added.
Two OPP cruisers are parked Monday outside a home in Northville Estates, in Lambton Shores near Port Franks and Thedford. (Terry Bridge/Sarnia Observer)
Police posted on social media Saturday afternoon cautioning the public of a heavy police presence on Northville Crescent near Thedford.
Northville Estates is one of several communities on Northville Crescent, which also features a family campground, nature trails and self-storage facilities.
In an update issued Sunday evening, police said most of their officers had cleared out, but some might stay on scene for the investigation.
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UPDATE (Nov. 30, 2025, 4:19 p.m.): #LambtonOPP is advising the heavy police presence in the area of Northville Crescent near Thedford has cleared. Some officers may remain on scene to continue the investigation. OPP is thanking members of the public for their cooperation. ^pia
— OPPCommunicationsWR (@OPP_COMM_WR) November 30, 2025
Two OPP cruisers were still parked outside the home Monday morning.
A Lambton OPP spokesperson said Monday an update on the investigation is expected to be issued on Tuesday.
Hack, who was kept in custody Sunday, is scheduled to appear in Sarnia court Tuesday by video from jail. Before he left he was ordered not to talk to Organ, Nancy and Peter Gosnek, and Mary Lynn Triest.
This is the first homicide investigation in Sarnia-Lambton this year. It comes two days shy of the one-year anniversary of the death of a 22-year-old Lambton College international student from India, who police said was stabbed to death in a house he lived in with other tenants on Queen Street. Another tenant was charged with second-degree murder.
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