Minority Report has arrived: Maryland and Pennsylvania using computers to predict future crimes
Parole officers use software to decide level of supervision for ex-inmates
Uses algorithm devised by American criminology professor Richard Berk
By Harriet Arkell
DailyMail.com
11 January 2013
When police in Minority Report predicted who would commit crimes and stopped them before they did it, it was considered so futuristic, the film was set in 2054.
Now, however, law enforcers in two American states are using crime-prediction software to predict which freed prisoners are most likely to commit murder, and supervising them accordingly.
Instead of relying on parole officers to decide how much supervision inmates will need on the outside by looking at their records, the new system uses a computer algorithm to decide for them.
The Minority Report-style software is already being used in Baltimore and Philadelphia to predict future murderers, and will be extended to Washington D.C. soon.
It has been developed by Professor Richard Berk, a criminologist at the University of Pennsylvania, who believes it will reduce the murder rate and those of other crimes.
Prof. Berk says his algorithm could be used to help set bail amounts and also decide sentences in the future. It could also be modified to predict lesser crimes.
He told ABC News that currently parole officers are using their own judgment to decide what level of supervision each parolee should have, based on their criminal record.
His software, he said, replaces that ‘ad-hoc’ decision making, and should identify eight future murderers out of 100.
He said: ‘People assume that if someone murdered then they will murder in the future, but what really matters is what that person did as a young individual.
‘If they committed armed robbery at age 14, that’s a good predictor.
‘If they committed the same crime at age 30, that doesn’t predict very much.’
Prof. Berk’s researchers used the details of more than 60,000 crimes then wrote an algorithm to find the people behind the crimes who were more likely to commit murder when they were out of prison.
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