police officers, and intelligence agents in addition to private security personnel. Undercover Investigations has a dual purpose; it can be used as a blueprint for any security manager or other handler of undercover agents. Undercover Investigations, which has been recognized by judges as the definitive work in this field, is now completely updated and expanded to include more information on drugs in the workplace, and entrapment. Its principles serve as the standard against which undercover operations are measured.Recognized as the 'bible' of this specialty fieldCompletely updated, with new sections on invasion of privacy and labor spyingCase examples are annotated to elucidate important principles

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