Seven S’s of Crime Scene Investigation: Securing - Separating - Scanning - Seeing - Sketching - Searching, Securing and Collecting Evidence

The Seven S's of Crime Scene Investigation is a framework that ensures a thorough and systematic approach to processing a crime scene. The Seven S's stand for:- Initial assessment of the scene to identify potential evidence and safety hazards.- Isolate and secure the scene to prevent contamination or tampering.- Conduct a preliminary walk-through to identify obvious evidence and take notes.- Conduct a thorough and systematic search for evidence, using appropriate techniques and tools.- Create a detailed diagram or sketch of the scene, including measurements and evidence locations.- Conduct a second, more detailed search to ensure all evidence is identified.- Properly collect, document, and store evidence for further analysis.The Seven S's assist investigators to:- Ensure a thorough and systematic approach;- Prevent contamination or loss of evidence;- Identify and document all relevant evidence;- Maintain scene integrity;- Ensure accurate and reliable results.