CNN CNN Newsroom September 18, 2013 13:08:00
Into building 197 without anyone becoming suspicious. cnn's pamela brown joins us now from washington with that part of the story. good morning, pamela. >> reporter: good morning to you, carol. if you look at a timeline of aaron alexis's movements in the months leading up to the shooting, it's clear that he was becoming increasingly troubled. in fact, police notified the navy about a disturbing incident involving alexis back in august. yet despite all the red flags, his security clearance was not taken away and nothing prevented him from walking into building 197 and opening fire. this morning...
Source: archive.org