At a crime scene, to prevent contamination and cross-contamination of evidence, as well as maintain the personal safety of the investigators, scene access should be limited to people directly involved in scene processing as well as making certain to follow established entry/exit routes at the scene. What other protocols for safety of the investigator and prevention of scene/evidence contamination should be adhered to? What aspects of PPE are the most important (or are they all important)? What Saint Leo Core Value do we see most highlighted in safety issues at crime scenes. Please cite information