Why not give pubs scores on the doors relating to the drugs, violence, and police calls to the premises? In much the same way we have scores on the doors for food, why not have scores on the
Gather statistics relating to the postcode of convicted criminals.
This can then be collated into a map showing areas, by postcode, where criminals lived at the time of conviction. It could also be broken down by type of crime. Care may need to be taken to avoid identification of individuals or...
Using local crime data to identify the safest places to access services e.g. as a woman travelling at night which are the safe stations/bus stations near my home, which cash machine has lower crime rates etc.