On 12 March 1989, Peter Seaford, aged 31 years, was murdered in his unit at Essington Lewis Avenue, Whyalla after attending an alarm call at his business.
Mr Seaford was the part owner of the Mobil service station at the corner of Essington Lewis Avenue and Elliott Street Whyalla.
Mr Seaford died as a result of traumatic brain damage, due to multiple blows with a blunt object.
The injuries were consistent with being caused by a heavy blunt object and believed to have occurred at about 4.45 a.m. on Sunday 12 March 1989. The motive for this murder is suspected to be robbery.
Anyone with information is asked to contact Crime Stoppers on
1 800 333 000, on-line or email an investigator.