CNN CNN Newsroom With Fredricka Whitfield January 3, 2016 21:53:00
Rifle killed a tsa officer, wounded several others before being shot and wounded by an armed police officer. the same event took place in chicago's two airports, the nearly 300 unarmed aviation police would be defenseless to stop it. so, in the event of, let's say, terrorist attack, let's say it's a shooter, what are you supposed to do? >> run. >> reporter: run? >> hide. >> reporter: hide? >> seek shelter. >> reporter: this internal chicago aviation department document obtained from aviation department sources outlines policy, if evacuation is not possible, hide. you must ensure that unarmed s...