Liberty report: Policing by Machine – Predictive Policing and the Threat to Our Rights

14 police forces are using, have previously used or are planning to use shady algorithms which ‘map’ future crime or predict who will commit or be a victim of crime, using biased police data.

This is according to the February 2019 report (pdf) from Liberty on police algorithms.

The report finds:

  • police algorithms entrenching pre-existing discrimination, directing officers to patrol areas which are already disproportionately over-policed
  • predictive policing programs which assess a person’s chances of victimisation, vulnerability, being reported missing or being the victim of domestic violence or a sexual offence, based on offensive profiling
  • a severe lack of transparency with the public given very little information as to how predictive algorithms reach their decisions – and even the police do not understand how the machines come to their conclusions
  • the significant risk of ‘automation bias’ – a human decision maker simply deferring to the machine and accepting its indecipherable recommendation as correct.

Read the full report (pdf).

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