Essay On Trace Evidence

Trace Analyst During an investigation at a crime scene, there are many moving parts that are taking place at the scene. One moving part is the collection of evidence, there are two types of evidence Physical evidence, and trace evidence. Physical evidence, is evidence that can be touched or is tangible. Another type of evidence is trace evidence, trace evidence can be transferred between people, objects, or even the environment during the time of the crime. Trace evidence is easily over looked at a crime scene to the untrained eye. Trace evidence can be hair fibers, finger prints, gunshot residue, and accelerants that would have been used during an arson crime. It is a trace analyst job to look over the trace evidence and to come to …show more content…
Solving homicides in less than a week, retrieving results for trace evidence in matters of minutes. It is actually the complete opposite the time to receive results from DNA is. The working conditions for a forensic trace analysts is mainly in a laboratory testing and studying evidence from a crime scene. It also can become very hazardous because of the chemicals that they use for identification, and also the body fluids that gather at and crime scene and also when they are testing the fluids, the body fluids could have various diseases such HIV, AIDS or Hepatitis that could infect the analyst. Trace Analyst must take every precaution to protect themselves from harm or infection when in a laboratory or on the scene of a crime. The main objective for a forensic trace analyst is to make comparisons find the identity of a substance, and also reconstruction of some evidence. On some occasions they can visit a crime scene to get valuable information or retrieve the evidence themselves before being it is contaminated by the chain of custody that takes place before reaching the analyst or reaching the laboratory. Trace analyst can be called in for many reasons, during a homicide, arson, rape, and on some occasion’s