Sheepdog Tip of the Day, Before Combat tip 189
It costs nothing to lock the back door of a school and have a single point of entry. Keeping the exterior doors locked at all times in the minimum "due diligence" that we should demand of our schools.
Lt. Col. Dave Grossman, The Bullet Proof Mind seminar (paraphrased)
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Other killology services:
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Additional Resources
For PTSD, Shepherd Resource Group.