This book helps the reader to critically evaluate a security operation using modern research techniques. It focuses on all retail business security issues, emphasizing vulnerabilities, losses, and practical countermeasures to combat such crimes as internal theft and shoplifting.Coverage includes such key topics as: the impact of the Americans with Disabilities Act; proper testing procedures under Employee Polygraph Protection Act; Ernst and Young's Survey of Retail Loss Prevention Trends; and the National Retail Security Survey conducted by Security Magazine.