Windsor Police Charge 2 After Loaded 3D-Printed Gun Seized

Windsor police have charged two men with firearms offences after seizing a loaded 3D-printed handgun during an investigation connected to a violent sexual assault. Police said one man was arrested in Essex on November 5, 2026, and the other was arrested on November 7.

According to police, Michael Samuel Rainone, 62, was arrested at an Essex residence by members of the Provincial Repeat Offender Parole Enforcement unit after an armed standoff. He was one of four suspects wanted in connection with an October 26 incident involving sexual assault with a weapon.

Officers also found Justin Spineti, 38, at the house. Police said they later searched his vehicle under a warrant and found a loaded, unserialized 3D-printed 9 mm semi-automatic handgun. 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 November 7, police said.

Charges

Rainone and Spineti have each been charged with:

• Possession of a weapon for a dangerous purpose
• Possession of a firearm knowing its serial number had been altered
• Possession of a firearm knowing its possession was 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 also faces five counts of possession of a firearm contrary to a prohibition order, police said.

Man remains wanted

Police said William J. Dufour, 45, remains outstanding in connection with the October 26 sexual assault incident. He is described as a white man, approximately 5 feet 11 inches tall, with a medium build and brown-and-grey hair.

Anyone with information is asked to call the Windsor Police Major Crimes Unit at 519-255-6700, ext. 4830. The case number is 26-124683.