A flagship artificial intelligence system designed to predict gun and knife violence in the UK before it happens had serious flaws that made it unusable, local police have admitted. The error led to large drops in accuracy, and the system was ultimately rejected by all of the experts reviewing it for ethical problems.
WIRED UK
This story originally appeared on WIRED UK.
The prediction system, known as Most Serious Violence (MSV), is part of the UK's National Data Analytics Solution (NDAS) project. The Home Office has funded NDAS with at least £10 million ($13 million) during the past two years, with the aim to create machine learning systems that can be used across England and Wales.
As a result of the failure of MSV, police have stopped developing the prediction system in its current form. It has never been used for policing operations and has failed to get to a stage where it could be used. However, questions have also been raised around the violence tool’s potential to be biased toward minority groups and whether it would ever be useful for policing.
The MSV tool was designed to predict whether people would commit their first violent offense with a gun or knife in the next two years. People who had already come into contact with the two police forces involved in developing the tool, West Midlands Police and West Yorkshire police, were given risk scores. The higher the score, the more likely they would be to commit one of the crimes.
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