Crime Scene Investigation

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The guidelines on conducting preliminary investigation for a criminal case should be Upon arrival ascertain boundaries. Do not move blindly into an area and always confer with others before acting. Decide how to approach the scene considering paths of entry and exit. Discuss the scene with the First Officer or Detective who perform the Initial Survey and have that officer accompany the detective through the area. Develop a mental image and absorb the crime scene to ascertain whether fragile evidence exists and assure collection of these items. Prior to any crime scene process, take photos to limit scene intrusion with a digital camera. In addition, the investigator should stop and observe the area as a whole; noting everything possible before entering the actual crime scene for the detailed examination. …show more content…

The question of time is frequently the first subject covered in a cross-examination. If the investigator cannot be sure of the time of events, he may lose credibility on the rest of the testimony. The subject of time may very well be the basis of an alibi. Note taking forces the investigator to slow down. It thereby sets a calmer tone for subsequent events at the scene, and also causes the investigator to pay attention to details in order to record them in the notebook.
Extreme care must be exercised to preserve and protect the scene, because even the smallest detail can suddenly assume vital importance in the case. Failure to implement proper crime scene techniques may irreparably damage the investigation. A complete description of the crime scene and surrounding area are vital. Although some of the points may seem quite obvious, things are sometimes overlooked, especially during this initial phase, as you attempt to cover all the bases. Note doors, windows, furniture, and identify entry and exit points, note if anything looks out of place. At this point you are present to evaluate the entire crime scene and surrounding area. During

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