Two charged after loaded 3D-printed handgun seized
Windsor Police charged two men after a loaded, unserialized 3D-printed handgun was found in a suspect's vehicle in the Oct. 26 sexual assault case. Charged: Justin Spineti, 38, and Michael Samuel Rainone, 62. Still wanted: William J. Dufour, 45.
Topics: Public safety
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Windsor Police have charged two men with firearms offences after officers seized a loaded, 3D-printed handgun during the investigation of a violent sexual assault in Windsor on Oct. 26.
What police say they found
On Nov. 5, 2026, members of the Provincial Repeat Offender Parole Enforcement (ROPE) team arrested Michael Samuel Rainone, 62, at a residence in the Town of Essex after an armed standoff, the Windsor Police Service said in a news release Tuesday, Nov. 10, 2026. Rainone was one of four suspects wanted in connection with the Oct. 26 incident involving sexual assault with a weapon.
Officers also found another suspect, Justin Spineti, 38, at the house. As part of the investigation, they executed a search warrant on Spineti's vehicle and found a loaded, unserialized 3D-printed 9 mm semi-automatic handgun. Police say it had a live round in the chamber and more ammunition in the magazine.
Spineti was arrested without incident shortly before 1:30 p.m. on Nov. 7.
The charges
Spineti and Rainone are each charged with:
Possession of a weapon for a dangerous purpose
Possession of a firearm knowing its serial number has been altered
Possession of a firearm knowing its possession is unauthorized
Carrying a concealed weapon
Unauthorized possession of a firearm
Occupying a motor vehicle knowing there was a firearm
Careless storage or transport of a firearm
Possession of a loaded prohibited or restricted firearm
Rainone is also charged with five counts of possession of a firearm contrary to a prohibition order. These are in addition to the charges police announced against him on Nov. 7 in the Oct. 26 case.
The charges have not been tested in court.
One suspect still wanted
William J. Dufour, 45, is still wanted in connection with the Oct. 26 sexual assault. Police describe him as a white man, about 5'11" tall, with a medium build and brown-and-grey hair.
How to help
Anyone with information about the investigation can call the Windsor Police Major Crimes Unit at 519-255-6700, ext. 4830.
Earlier coverage: Three arrested, one wanted after assault involving firearm (Nov. 7, 2026).
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