The 7 S’s of Crime Scene Investigation (Crime Scene Management)
Introduction Crime Scene Investigation (CSI) is a systematic process used to preserve, document, collect, and analyze physical evidence from a crime scene. The 7 S’s of Crime Scene Investigation provide a scientific and legal framework to ensure evidence is not contaminated and remains admissible in court. 7 S’s of Crime Scene Investigation 1. Securing the Scene Securing the crime scene is the responsibility of the first responding police officer (first responder). Key Points: ● Safety of individuals is the first priority ● Preservation of evidence is the second priority ● Unauthorized persons must be restricted from entering the crime scene ● A security log must be maintained of everyone who enters the scene ● The first responder may call additional expert teams if required 2. Separating the Witnesses Witnesses must be separated immediately after the incident. Purpose: ● Witnesses are not allowed to talk to each other ● Prevents collusion (creating a false story together) ● Ensures in...