security signs

good guard dogs A. , Van Meter, C. W. 2000. Chapter 8: Crime and the threat environment. Principles of security and crime prevention, 4th ed.

Studies indicate that some forms of private security services are booming, but overall, the security industry has actually declined between 1999 and 2004.

  1. home security monitored
  2. wired home security systems
  3. home security alarm systems