Police were dispatched to the 18000 block of Livernois for the reports of an accident shortly after 7 p.m. Monday.
Police say Williamson was attempting to do something to his van in a parking lot near the University of Detroit and the Avenue of Fashion on Detroit's west side.
Williamson was outside of the van, near the front of the vehicle, when the van rolled forward pinning and killing him.
There has been a GoFundMe set up in his name to help pay for funeral costs: http://www.gofundme.com/ndtvco
This accident is under investigation.