This chapter differentiates between covert and overt crimes, defines the characteristics of a covert crime, and identifies the investigative strategies to practice in order to surface covert activity: deployment of undercover agents, physical inventories, refund letter circularization program, daily audit of cash registers, checking register transaction numbers, integrity testing, bank check reconciliation, cash counts, exit interviews, checking for âghostâ employees, verification of vendor or resource, intelligence surveillance, physical inspections, suggestion box and awards system, financial analysis, and odometer checks. The chapter also explores shoplifting as a covert crime, details fifteen potential strategies used by shoplifters, and provides detection strategies for shoplifting surveillance.