The Cariboo Chilcotin Traffic Services is seeking the public's help in identifying a possible witness to the fatal motor vehicle collision on Carson Drive in Williams Lake April 22.
The RCMP says the investigation has revealed that an unknown vehicle had travelled through the crash scene seconds before the collision occurred.
The police would like to speak with the driver and occupants of that vehicle.
Anyone with information is asked to contact the Williams Lake RCMP or Crime Stoppers.