Crime Scene Investigation

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The crime scene examination and subsequent search should be done in a careful and methodical manner. After talking to the officer(s) who were the first ones on the scene and learning from them of any changes that might have been made to the scene since their arrival, such as turning lights on or off or opening doors or windows, start the examination by working your way into the body using great care to avoid disturbing or destroying any evidence as you do. Carefully observe the floor or ground surrounding the body. Look for items of evidence or of evidential value such as stains, marks, etc. Remember to look up too, every crime scene is 3 dimensional. Another technique to you assist in locating evidence is to shine a flashlight on the ground at an oblique angle. Yes, even in the daytime. Look at the items as they are located. Pay close attention to everything as you approach the body at this time, do not dismiss anything until its evidentuary value can be determined. Are there any footprints or drag marks? Is there anything on the floor or ground that may be stepped on or destroyed?

Only one investigator at a time should approach the body! Determine what, if anything, has been moved or altered by the suspect(s) or anyone else prior to your arrival. Has the body been moved? If so, by whom and for what reason?

Never move or alter the positioning of the body! Make close visual examinations of the body and the area immediately around it. Look between the arms and legs without moving them. Look at the arms, hands and fingers. Are there defense wounds? Is there anything under the nails that you can see at this time? If you can, try to determine the cause of death and the instrument or method used. Take careful notes of the external appearance of the body and the clothing or lack of clothing. Look at or for lividity, decomposition, direction of blood flow patterns, remember the law of gravity. Is the blood flow consistant with it? Make detailed notes.

Describe

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