Gunman, 5 victims dead in Aurora shooting; 5 officers wounded

Security expert reacts to California mass shooting

Security expert Matthew Doherty of Hillard Heintze reacts to the mass shooting at a bar in California and talks about assessing risks of violence.

 

Notice: you are using an outdated browser. Microsoft does not recommend using IE as your default browser. Some features on this website, like video and images, might not work properly. For the best experience, please upgrade your browser.