First look at 'Hired Guns'

A CNN & CIR investigation found a troubling pattern when it comes to training & background checks for armed security guards.

You see them everywhere: armed security guards. A yearlong investigation by The Center for Investigative Reporting and CNN has found that despite the image of safety they project, armed guards often pose a threat in an industry rife with lax laws, minimal oversight and almost no accountability.

Don't miss a thing: Sign up for the CIR newsletter to get updated when this investigation comes out Dec. 9  on cironline.org and cnn.com. Tune in to two nights of Hired Guns on "Anderson Cooper 360" at 5 p.m. PST/8 p.m. EST Dec. 9 and 10.