They dress according the requirement of the organizations and agencies which employ them. If they are sworn law enforcement officers they wear some kind of uniform, if they are civilians they wear a uniform-like outfit or APPROPRIATE civilian clothing. NOTE; They do NOT dress as they are portrayed on some of the TV CSI shows!
Crime scene investigators document and analyze information found at crime scenes.
Observation
Crime Scene Investigators!!
Crime Scene Investigation orCrime Scene Investigators
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Police investigators require crime scene photos to be taken so that later on they can review the crime scene even if it was already cleaned. It occurs if someone wants to review old files and files an appeal.
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Anything out of place.
CSI's are crime scene investigators they photograph crime scenes and pick up potential evidence.
Crime scene investigators use techniques like powder dusting, cyanoacrylate fuming, or ninhydrin spraying to develop latent fingerprints at a crime scene. They then lift the developed prints using adhesive tape or specialized fingerprint lifting tools for analysis and comparison.
It depends on their jurisdiction.