A possible breakthrough in the murder investigation of a man at Greta just after Christmas last year.
25-year-old Zachery Davies-Scott was shot dead late on December 27 at a home on Traders Way.
Homicide Squad Detectives have released fresh CCTV footage of a man at a Newcastle service station they want to speak with.
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In February police seized a white Mitsubishi Outlander in Boolaroo they believed was used in the murder.