1. Private security plays an increasing role in the criminal justice system by: A. Replacing traditional law enforcement agencies. B. Providing supplementary services to law enforcement agencies. C. Taking over the responsibilities of the judicial system. D. None of the above. Answer: B. Providing supplementary services to law enforcement agencies. Rationale: Private security companies work in partnership with law enforcement agencies to provide additional security services and support to enhance public safety. 2. Private security agencies are often hired by businesses to: A. Monitor police activities. B. Provide protection against criminal activities. C. Replace traditional law enforcement agencies. D. None of the above. Answer: B. Provide protection against criminal activities. Rationale: Private security agencies are hired by businesses to protect against theft, vandalism, and other criminal activities. 3. Private security personnel often receive training in: A. Criminal investigation techniques. B. Firearms handling. C. Legal procedures. D. All of the above. Answer: D. All of the above. Rationale: Private security personnel undergo training in a variety of areas to effectively perform their duties, including criminal investigation techniques, firearms handling, and legal procedures. 4. The concept of private security has expanded to include: A. Cybersecurity. B. Physical security. C. Social security.