NSW police charge 67-year-old man with murder of Edwin Dobbin, 82, who disappeared from Leppington in late September

A search is under way on a semi-rural New South Wales property for the body of a missing man, on the same day his accused killer was due to appear in court for the first time.

Police allege Edwin Dobbin, 82, was shot dead some time after he disappeared from his Leppington home in south-west Sydney in late September.