UPDATE: Two charged after police seize loaded 3D-printed firearm

WINDSOR POLICE NEWS RELEASE 

Case #: 26-124683 

UPDATE: Two charged after police seize loaded 3D-printed firearm 

The Windsor Police Service has charged two men with multiple firearms offences following the seizure of a loaded 3D-printed handgun during an investigation connected to a violent sexual assault. 

On November 5, 2026, members of the Provincial Repeat Offender Parole Enforcement (ROPE) arrested Michael Samuel Rainone, 62, at a residence in the Town of Essex. Rainone was one of four suspects wanted in connection with an October 26 incident involving sexual assault with a weapon. 

Rainone was arrested following an armed standoff at the residence. Officers also located an additional suspect, Justin Spineti, 38, at the house. 

As part of the investigation, officers executed a search warrant for Spineti’s vehicle. Inside, they located a loaded, unserialized 3D-printed 9 mm semi-automatic handgun. The firearm had a live round in the chamber and additional ammunition in the magazine. 

Shortly before 1:30 p.m. on November 7, officers located and arrested Spineti without incident. 

Spineti and Rainone have each been 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 has additionally been charged with possession of a firearm contrary to a prohibition order (x 5). 

One additional suspect, William J. Dufour, 45, remains outstanding in connection with the October 26 sexual assault incident. He is described as a white male, 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.