From my understanding, fuel stations in Australia need to comply by law and keep the CCTV recordings data for of 3 months,from a date/from/ due to a particular circumstance....
I Just was wondering people captured on CCTV @ fuel stations around the outskirts of yunta Adelaide, would be interesting to cross examine 6 or 9 months ago compared to within 3 months today.
In shopping centres we are more reminded that cameras are in real time, and sometimes even edgy(slightly paranoid) if sometimes we are unsure of which aisle
Anyways in fuel stations we don't really seem to be concerned as much, due to worry of the cost of fuel

, and which number fuel tank we were on to pay....
So basically, the family of Gus, could show a very indicative timeline of personal behaviour, if fuel stations do keep data CCTV recordings for more than 6 9 months
Interesting