7 s's of crime scene investigation

Done by the first responder to prevent unauthorized access to a crime scene

Splitting up the witnesses to ensure that they don't have the ability to discuss before speaking to law enforcement

Primarily done to identify the primary and secondary crime scenes

Involves an in-depth look of the crime scene and involves pictures and measuring

Drawing the crime scene, involves in-depth measurements

Analyzing every square inch of a crime scene to find any evidence

Making sure that all evidence is properly packaged without any risk of contamination