Practical Drug Enforcement, Third Edition, is a guide to the contemporary aspects of covert criminal investigations and the management of the drug enforcement unit itself. It addresses methods of detection, investigation, surveillance, and capture of drug traffickers as well as identifying methods commonly used by criminals to avoid detection. Thoroughly updated and revised, this edition includes new topics such as the surreptitious monitoring of suspects and entrapment; drug courier profiling; high-tech surveillance with GPS and thermal imaging; raid procedures for clandestine labs; undercover work, risks, and stress; and informant management. Designed as an investigative resource, this edition allows for concurrent initiatives across jurisdictions in the apprehension and prosecution of drug offenders.