Surveillance. Methods of surveillance.

surveillance

Surveillance. Methods of surveillance:

Surveillance is a process of monitoring the subject’s behavior where the subject  may be a person, a group of people, an object, a location, or a process.

Surveillance can be mobile  or stationary; conducted with or without the help of technology, such as automobiles, aircraft, and various visual, audio, and video devices. Surveillance can be continuous, that is, continue for a long period of time, usually 24 hours a day; or it can be periodic, that is, conducted during specific periods of time. surveillance can have different levels of intensity. The purpose of surveillance in the investigation is to obtain corroborative information to confirm suspicions and potentially identify the suspect. Surveillance can also be used as a preventive method. The following types of investigations may  require surveillance : relationship (cheating), child custody, worker’s compensation and insurance claims, employee theft, bounty hunting.

The following are the most common methods of surveillance:

– Foot – following the subject on foot.

– Single – Vehicle – following the moving subject or vehicle in a single vehicle.

– Multiple- vehicle – following the moving subject or vehicle in multiple vehicles in order to stay undetected by the subject.

– Aerial – following and monitoring the moving vehicle or subject from an aircraft, such as an airplane or a helicopter.

– Vehicle tracking – detection of the moving or stationary vehicle with a tracking device attached to the vehicle.

Tracking into private places – detection of the moving subject with a tracking device attached to a movable object carried by the subject.

– Thermal Imaging – detection of heat sources with forward – looking infrared devices (FLIRs)

– Direct observation – monitoring the subject without surveillance devices.

– Visual – monitoring of subjects with binoculars, telescopes, or night-vision devices.

– Audio – intercepting conversations with concealed microphones and wiretaps.

– Video – recording subjects with covert video devices.

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