Freelance journalist John Ross and a detective have appeared at the Old Bailey, charged with offences under the Official Secrets Act.
Ross, 58, of Sevenoaks, Kent, and DC David Dougall, 48, of New Eltham, South East London, were remanded until 14 January.
They are charged with misusing a police computer and website and two offences of disclosing information under S4(1) of the Official Secrets Act.
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