How much crime?

In this video, Ailbhe O’Loughlin discusses different ways in which we try to work out how much crime there is. Notice how there are issues with all the methods that we try to use to measure the extent of crime, and bear in mind that if policymakers and lawmakers rely on ‘measures’ of crime, then they need to be aware of the limitations of these measures.

How do you think we might get as close as possible to an accurate measure of how much crime there is?