The vehicle, belived to be a dark 2008/2009 Ford Falcon sedan was seen driving to and leaving the Foxwell Drive address on the night Spencer was bashed to death.
It was spotted on Ragamuffin Drive and Hope Island Road on the night of the murder.
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It is believed the driver of the vehicle was female.
Anyone with information which could assist with this matter should contact Crime Stoppers anonymously via 1800 333 000 or crimestoppers.com.au 24hrs a day.