Niagara Regional Police responded to a shooting on Clifton Hill near the Great Canadian Midway around 12:30 p.m. on Friday, April 8.
Officers arrived to find three males under the age of 18 with gunshot wounds. One of them was pronounced dead at the scene, while the other two were taken to hospital with serious injuries, but survived.
A blue Ford pickup truck was seen leaving the area at a high rate of speed after the shooting, police previously said. Investigators released a detailed description and images of the vehicle in the weeks after the shooting.
Police announced Tuesday that a 17-year-old Mississauga boy is now facing a number of charges in connection with the shooting. They include attempted murder, aggravated assault, robbery, discharging a firearm with intent, reckless discharge of a firearm, possession of a firearm in a motor vehicle, possession of property obtained by crime and theft of a motor vehicle.
The suspect cannot be named under the terms of the Youth Criminal Justice Act.
The teenager was scheduled to appear in court for a bail hearing in St. Catharines on Tuesday.
Police say their investigation remains ongoing and are asking anyone with more information to come forward.