This curriculum guide provides instructional materials for the private investigator phase of a private security training course of study. Five units cover the following topics: understanding responsibilities to clients; interpreting laws of private investigations; complying with the Fair Credit Reporting Act; conducting investigations and surveillance; and locating and communicating information. Each unit of instruction is composed of some or all of these components: objective sheet with introduction and unit and specific objectives; suggested activities with details for preparation, delivery, and evaluation; a list of references; information sheets; supplements with instructions that could be used for solving a problem or reinforcing the enrichment of learning; transparency masters; assignment sheets; assignment sheet answer keys; written tests; and test answer keys. (YLB)