ANALYSIS: Mobile CCTV surveillance has recently appeared in public spaces in Melbourne, as part of a joint initiative between councils, Victoria Police and the Commonwealth Government to target those breaking lockdown rules; Professor Rick Sarre asks whether such moves are legal, effective and acceptable.

Analysis: Police officers carrying firearms is an area that has undergone considerable legislative changes in Australia. Professor Rick Sarre, Dean of Law at the University of South Australia, examines what effect these changes have had on officer safety and public protection.