Police forces need to negotiate with communities to win back trust or risk getting trapped in a cycle of violence.
Black, Asian and ethnic minorities are up to ten times more likely to be stopped and searched than white people in the UK.
There are potential issues with any use of machine learning in policing. But if used in the right way, it could go a long way towards more effective policing.
Stop and search and other police tactics cannot address the complicated social problems that are linked to knife crime.
In Scotland, researchers have been at the heart of police reforms – all very different to south of the border.