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Documenting Evidence with Video |
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Written by Wayne R. Centanni
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To an investigator a camcorder has two basic functions. Its primary function is surveillance however another important use is the recording and documentation of physical evidence associated with an investigation.
The videotape can provide a perspective on the evidence layout that is not as easily perceived in photographs or sketches. This becomes more apparent when documenting large areas such as a burned out building, large areas of land, bridges and vessels. Still photographs do not accurately reflect the human eye's field of vision. Video provides a medium in which the viewer can be more interactive. Still photographs tend to be more abstract. Another advantage of using a camcorder is the amount of information gathered during the recording can be significant. One videotape could be equal to taking hundreds of photographs. The investigator summarizing the data, time, location, etc should complete a report. Upon completion, the tapes should be labeled, copied to a high quality master tape and stored. The original tape and copy should be stored separately away from heat, humidity, and magnetic fields. The camera operator must be knowledgeable in the use of the equipment. The recordings should reflect the exact condition of the evidence during documentation.
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