Some crime scene investigator’s field kits are much sparser, and some
include things that aren’t included in this list, but you can bet they
all have a kit of some sort that they rely on.
So what does a crime scene investigator do with all this stuff? When the
CSI arrives at a crime scene, they begin by making sure it’s protected
and free from contamination after a preliminary walk-through. Then, they
typically make some theories and observations, take photographs or
videos of the crime scene and/or draw sketches, taking note of
everything considered to be evidence.
Before touching anything, the CSI protects the evidence by putting on
the plastic gloves and other sanitary gear, such as goggles. Each piece
of evidence is bagged, tagged, logged and safely secured to be sent to
the lab for further analyses, where the CSI may or may not do the actual
lab-work, depending on their experience and job duties. This is perhaps
the most important step in an investigation, especially in the age of
DNA evidence. Once the crime scene is disrupted and contaminated, it is
useless, but with the CSI field kit, these criminal justice
professionals can ensure that doesn’t happen.
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