Philip P. Purpura, Certified Protection Professional, is a college educator, consultant, expert witness, and writer. He is Director of the Security Training Institute and Resource Center and Coordinator of the Security for Houses of Worship Project in South Carolina. Purpura began his security career in New York City and held management and proprietary and contract investigative positions. He also worked with a public police agency. Purpura is the author of six other books: Terrorism and Homeland Security: An Introduction with Applications (Burlington, MA: Elsevier Butterworth-Heinemann, 2007); Security Handbook, 2nd ed. (Boston, MA: Butterworth-Heinemann, 2003; Albany, NY: Delmar, 1991); Police & Community: Concepts & Cases (Needham, MA: Allyn & Bacon, 2001); Criminal Justice: An Introduction (Boston, MA: Butterworth-Heinemann, 1997); Retail Security & Shrinkage Protection (Boston, MA: Butterworth-Heinemann, 1993); and Modern Security & Loss Prevention Management (Boston, MA: Butterworth, 1989). Purpura was contributing editor to three security periodicals; wrote numerous articles published in journals, magazines, and newsletters; and has been involved in a variety of editorial projects for publishers. He holds an associate’s degree in police science from the State University of New York at Farmingdale, and bachelor’s and master’s degrees in criminal justice from the University of Dayton and Eastern Kentucky University, respectively. He also studied in several foreign countries. He serves on the ASIS International Council on Academic Programs.