The Metropolitan Police is set to use data analytics to help stop offenders before they commit an additional or worse crime.

Met commissioner Sir Mark Rowley told the international ‘Exceptional Policing’ conference that the new data-led approach to policing will enable the force to "understand the likelihoods" of who will commit a violent crime in the City of London.

“The Met is working to build a city-wide data picture of men who we know prey on and commit abhorrent crimes against women and girls across London, which is more sophisticated than ever before," he said. “Sadly, we know it is many tens of thousands of men.

“I want us to go further, to see if we can build a clearer picture of future risk, forecasting and interdicting men who will commit violent crimes again women or girls, based on previous behaviour as statistically tested risk factors.

“Whilst I can’t give you the full analysis today, I can tell you that the success rate of...