When Dino and Rocco stop at the petrol station, the petrol price can be clearly seen on the pump at 128.9c a litre for Unleaded. In 1999 the average petrol price in Australia was well below .80c a litre.
When Steve Owen is mocking Garry Butterworth's 'welcome to homicide' speech, as the wide angle pans behind windows it can be seen that Steve's 'and that's' does not match his mouth movements before it cuts to him saying 'by the book'