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How exactly was Amphitrite the queen of the sea? crime scene evidence such as saliva, bite marks, semen, hair, skin tissue under the finger nails, and other trace materials may be found on the victim(s). Transferred evidence such as cosmetics, vaginal fluid, hair from How to start the argumentative essay victim, and blood may also be found on the suspect. Once potential evidence is located and documented, the next step is to collect and package the items in a manner that prevents contamination, loss, and deleterious change. Biological crime scene evidence requires care to guard against the possibility of cross contamination either by the investigator or by other biological specimens at the scene. Equipment is available to crime scene investigators which How exactly was Amphitrite the queen of the sea? in the prevention of cross contamination. Types of equipment include : Tyvek white paper body suit. Paper mask which covers nose and mouth. Latex or Nitrile gloves. 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