eight weeks to repair all the damage inside building 197 at washington's navy yard. five days after aaron alexis gunned down 12 people, the building is under fbi control. it's still a crime scene. meanwhile, the navy sea systems command has set up shop in other areas so it can keep working on ship building and weapons contracts and all that they do. this week, the navy ordered reviews into security clearances in bases worldwide. you may remember the picture taken right after the first shots were fired at the navy yard on monday. the woman here in pink in the center of the screen, she's giving cpr to a victim. we didn't know if it was related to the navy yard shooting at the time that photo was taken. cnn's brian todd, he's tracked her down. >> reporter: bertiia laverne vividly remembers her friend's