the shooting left bird dead and michael smathers paralyzed.olice say no gun, no weapon was found in that truck. kendall calmly called 9-1-1. >> how you doing? >> there's a shooting. >> was anyone shot? >> yeah, two people are shot. >> where's the gunman now? >> i am the gunman, i'm the security officer here. >> reporter: security guards, even though many look like police officers, by and large, don't have arrest powers and don't report to the public. an investigation by cnn and the center for investigative reporting finds the armed security guard industry is kind of like a wild west when it comes to oversight. you could become an armed guard in 15 states with no firearms training. nine states don't bother to run fbi criminal background check. 27 states don't even check to see if someone is banned by federal law from carrying a gun. unlike police officers, the requirements to become a licensed armed guard across the u.s. can be so lax, in kentucky, you can become an armed guard simply by arming yourself and calling yourself one. >> there's no t