A hidden camera is a still or video camera used to film people without their knowledge. The camera is “hidden” because it is either not visible to the subject being filmed, or is disguised as another object. Hidden cameras have become popular for household surveillance, and can be built into common household objects such as smoke detectors, clock radios, motion detectors, ball caps, plants, and cellphones. Hidden cameras may also be used commercially or industrially as security cameras.

Hidden cameras secretly installed within a common household object to monitor and record the activities of caregivers are commonly referred to as Nanny cams. Legality of using hidden cameras are usually a subject of controversy. For example, a case involving a nanny that was allegedly caught violently shaking a baby was thrown out as worthless evidence. Some hidden camera television shows have also led to lawsuits or being denied to air by the people who were trapped in set-ups that they found unpleasant. In the United States nanny cams are legal although most are sold without audio capabilities since it is prohibited to intercept audio communications by a surreptitious manner (US Code Title 18, Chapter 119, Section 2512).

Article Source:   en.wikipedia.org

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