1) Mass Shootings, Mass Psychology and Self-Defense
https://boblivingstonletter.com/alerts/mass-shootings-mass-psychology-self-defense/

2) When Gunmen Strike, You're on Your Own
https://mises.org/wire/when-gunmen-strike-youre-your-own

3) Polk Sheriff Judd: Armed Citizens the Answer to Situations Like Texas
http://www.tampabay.com/news/publicsafety/Polk-Sheriff-Judd-Armed-citizens-the-answer-to-situations-like-Texas_162409552

4) The Right to Keep and Bear Arms is not About Hunting
http://tenthamendmentcenter.com/2017/11/07/the-right-to-keep-and-bear-arms-is-not-about-hunting/

Video Interviews:
* EXCLUSIVE: Texas Massacre Hero, Stephen Willeford, Describes Stopping Gunman
https://youtu.be/B4HEchh0XD8
* DUTY To Protect: Another Lesson For Those At Soft Targets Like Churches
https://youtu.be/zHYm_shQero