Many people who read this blog know of me as a former undercover police detective who worked within the Medelin and Cali drug cartels. Among other things I am a certified Officer Survival Instructor and a former lead penetrator on the SWAT team. Below are my suggestions to make a school environment safer for educators and students, and what to do if an active shooter situation should arise: 1. Bring some wooden wedges (no not the shoes ....the little triangle pieces of wood)