Providing an explanation of the powers of police officers to investigate crime, this guide covers the powers of search, seizure, arrest, detention and interrogation of suspects, interception of communications, and confiscation of proceeds of crime.;The book includes the full text of the PACE Codes of Practice published in 1995, and the Police and Criminal Evidence Act 1984 (as amended). It also reproduces key provisions of the Prevention of Terrorism (Temporary Provisions) Act 1989 (as amended) and the Criminal Justice and Public Order Act 1994. The text has been revised to reflect the changes to the ""right of silence"" provisions, those affecting the taking of samples, and many other changes introduced since the previous edition was published.;There are chapters on the powers of customs officers, the exclusion of improperly obtained evidence, powers under the prevention-of-terrorism legislation, and the remedies available when police powers are exceeded.