A unique insight into the hidden world of informers and related aspects of covert and undercover policing. Edited by Roger Billingsley, head of the Covert Policing Standards Unit at New Scotland Yard, this book is the first to look behind the scenes of this kind of police work since the authorities relaxed the rules on restricted information. Contents: Covert Human Intelligence Sources (CHIS) covers such key matters as: What is meant by CHIS; The legal framework; The Regulation of Investigatory Powers Act 2000 (RIPA); Inherent powers and the position at Common Law; 'Informers' and...