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d. There are many more private security officers than public police officers, making tandem projects and collaboration essential "Private Security and Public Law Enforcement," n. d. There may be some overlap between public law enforcement and private security, but generally the latter can be more highly specialized and are therefore useful in situations such as campus security. Large privately owned facilities like the campus stadium require a dedicated staff of personnel, rather than a sporadic or incident response team. Therefore, security at the stadium during games can be best provided by the private sector. The public law enforcement agencies in the community can and should be alerted as to when games…… Private security industry impact of the September 11, 2001 terrorist attacks on the private security field. Clearly, the private security industry, and all security, was impacted by the September 11 terrorist attacks in New York, Washington D. C.

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The advantage of having audible sirens, whether the sound is louder inside or outside, is debatable. On one hand, the siren lets intruders know that police have been alerted, which may deter them from taking any further action, while some intruders may still proceed. Audible exterior sirens are also beneficial if you live in a populated neighborhood with neighbors close by, as they will hear the alarm; however, the audibility of the siren may be marginally beneficial if you live in a remote area where neighbors’ homes are out of range. Many of today’s security cameras have something called a motion detector installed. This is—as it sounds—a device that’s capable of detecting movement. What kind of motion it detects depends on the user’s custom settings. In the case of a home security camera, this will typically include any moving objects, and people in particular. The great feature of motion detection home security camera is its ability to send alerts the second it begins to record movement based on its settings. One of the great things about motion detection is that your camera still works for you in the background even when you’re away or logged out of the system. The best way to understand how motion detection works is to first look at how a camera functions. Inside every camera is the image sensor which the lens of the camera directs light to.