The Ontario Provincial Police hope anyone who witnessed the first of two crashes on Hwy. 401 last Friday will check their dashcam footage.
The number to reach the OPP is 1-888-310-1122. Crime Stopper's number is 1-800-222-8477, but witnesses can also leave their tips online at www.catchcrooks.com.
The OPP charged a Lakeshore man in connection to that crash in the westbound lanes between Gracey Side Road and Comber Side Road.
Officers arrived on the scene at 10:22 a.m. and interviewed witnesses who said a vehicle, driven erratically, smashed into several other cars.
They also said two people in the vehicle ran away from the crash scene. Officers arrested both of them on Lakeshore Road 305.
A 20-year-old man is charged with driving while impaired, dangerous operation of a motor vehicle, operating a vehicle while prohibited, driving while under suspension, failing to stop after an accident, and failing to comply with a demand.
There's a bail hearing in Windsor for the accused while a second person was released unconditionally from police custody.
While police investigated that collision, two tractor-trailers and a pickup truck collided.
The driver of one tractor-trailer died, and paramedics rushed the person driving the pickup truck to the hospital with life-threatening injuries.