Deadly Hwy. 402 crash trial: Expert tells jury what caused collision

An expert on reconstructing collisions told the jury his final conclusion Thursday as a dangerous driving Highway 402 fatal crash trial continued in Sarnia.Richard Bortolon, a recently retired OPP investigator who wrote a report on the multi-vehicle collision near the Blue Water Bridge that killed two people and severely injured a third on Oct. 2, 2023, found that it was caused by a 2018 Audi Q5 attempting an “entirely unsafe” lane change. That caused the initial crash between the A