Invoices seen by the Guardian purport to show how a private investigation firm made payments in return for confidential information. Photograph: Dominic Lipinski/PA link http://www.guardian.co.uk/uk/2012/may/22/metropolitan-police-anti-corruption-allegations Scotland Yard is investigating allegations that detectives working for its anti-corruption unit have been paid thousands of pounds by a firm of private investigators. A parliamentary inquiry was told today that [...]


