Detectives have admitted that they have not been able to track down a "dangerous" criminal who walked out of an open prison more than a month ago.
Kevin Brown, who was serving a life sentence imposed at the Old Bailey in 2007 for conspiracy to rob and firearms offences, absconded from Ford Prison, West Sussex, on April 10 and has not been seen since, Sussex Police said.
Despite officers searching for the 54-year-old there have been no reported sightings of him, a spokesman said.
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