Chapter 2 The Crime Scene. Processing the Crime Scene. Forensic Science begins at the crime scene Investigators must recognize physical evidence, collect the evidence, and properly store and preserve the evidence
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Unless there are injured parties, objects must not be moved until they have been photographed from all angles. If objects are moved, photographs may not be admissible in court – unless recorded in notes.
Items to be photographed:
Area in which the crime took place and all adjacent areas
Points of entry and exit from various angles
If indoors, the entire room and wall area as well as adjacent rooms
A body’s position and close up depicting injuries and near by weapons; once the body is removed, the area under the body should be photographed
Physical evidence position and location as well close up (a ruler or other measuring devise may be used as a point of reference)
Videotaping with sound is also a popular method of recording a crime scene
Searching the crime scene depends on locale and size of area as well as victims and suspects
Lead investigator will subdivide the scene into segments a search each segment individually or the search may start at some outer point and gradually move toward the center of the scene in a circular fashion