Scotland’s Justice Secretary has admitted hundreds of criminals may now be out of prison despite the risk they pose to the public being wrongly calculated. The risk posed by convicted criminals – used in deciding whether they can be released early – is being wrongly calculated because of an IT system error, Keith Brown told MSPs.Mr Brown said there are 285 “ open cases ” of criminals who had their “ risk score ” wrongly calculated, with 115 cases yet to be checked to see if they may have been wr