The goal of the walk through is to identify potential evidence's locations and to mentally map out how the area will be investigated.
The detectives should acquire as much information as they can regarding the crime scene before starting their investigation. Again, a cautious and deliberate approach is advised. Information is acquired to stop the destruction of priceless or delicate evidence, such shoeprints or trace evidence, among other things.
Conduct a primary survey or walkthrough - To prioritize gathering evidence, the scene is first surveyed. The main investigator will do a walkthrough during this Decide whatever evidence would be valuable, make notes, then snap the first pictures of the scene and the evidence.
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