This new third edition of the popular "The Investigation Of Crime", offers comprehensive guidance to police investigative powers. There have been a wealth of developments in the regulatory framework, since the publication of the second edition, and these are fully covered here. In one handy volume there are detailed examinations of the provisions relating to terrorism, surveillance, financial investigation, computer crime and football violence. The new edition has also been widened to include material on the law of crime scene preservation, forensic issues, cross-border powers, and procedural issues.