What is the First Thing a CSI Does at a Crime Scene?
After securing the crime scene, the Scenes of Crime Officers (SOCO) (UK) or Crime Scene Investigator (CSI) (USA) usually photograph the scene as well as video it. Sketches and diagrams are made if necessary. The latest forensic technology is a scanner that produces a 360 Degree image for the criminal investigators to study whenever they want to see where anything was positioned within the crime scene or if they want to do a crime scene reconstruction. When involved in evidence collection, Investigating officers usually then put down numbered markers to indicate where any shell casings or bullets are located as well as any blood spatter evidence or other items that need to be photographed in position at the crime scene. What other Evidence is Collected or Preserved at a Crime Scene? • The most vulnerable evidence is collected first like hair, which could be blown away by the wind. • Fibers are collected with tweezers and put into separate holding packets and labeled. • In interior locat