Windsor Police Headquarters with the offender transport van, September 2026. (Photo by Maureen Revait) Windsor Police Headquarters with the offender transport van, September 2026. (Photo by Maureen Revait)
Windsor

3-D printed weapon seized during sexual assault investigation

Windsor police have laid additional charges in connection with a violent sexual assault investigation.

Officers say two 3D-printed handguns were seized while investigating the assault.

The unserialized 3D-printed 9 mm semi-automatic handgun with a live round was found while executing a search warrant on a vehicle that belonged to one of the suspects.

The 62-year-old and 38-year-old involved in the investigation are both facing multiple firearm-related charges.

Police continue to look for one additional suspect believed to be involved in the sexual assault investigation. William J. Dufour, 45, is described as a White man approximately 5’11” tall, with a medium build and brown-and-grey hair.

Anyone with information about this investigation is asked to contact the Windsor Police Major Crimes Unit at 519-255-6700, ext. 4830.

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