i am martha mccow an in for megyn kelliy. we expect an update within the hour from the fbi. we learned the identities of the rest of the 12. shot to death inside of building number 197. youngest of those was 46 years old and the oldest was a 73-year-old. the suspect in the case was aaron alexis who was cornered inside of that building. and after firing multiple rounds at officers, he, too, was taken down. the fbi took the lead in the investigation and we learned that in the new's conference. they are in the front of this and in the process of interviewing his family and acquaintances and everybody, trying to figure out the motive in this case. and they believe he acted alone and mentally unstable. his motive remains unclear. and outside of the crime scene, flags are flying at half staff today. the president signing a proclamation of having flags lowered and remain that way to honor the 12 innocent victims. one of the flyers in the bottom of the left hand part of the screen. and secretary of defense, and senior department officials laid a wreth in the navy memorial plaza and

i am martha mccow an in for megyn kelliy. we expect an update within the hour from the fbi.entities of the rest of the 12. shot to death inside of building number 197. youngest of those was 46 years old and the oldest was a 73-year-old.

i am martha mccow an in for megyn kelliy. president obama spoke and said the person or persons who did this would be brought to justice. one gunman is deceased. we are waiting to learn more. and we'll bring you that live as soon as it does happen. the first shots rang out at 8 o'clock this morning and sending 3,000 workers running for their lives and six schools on a pra precaution of look down and planes were grounded in reagan national at the time. one gunman died when police and swat teams swarmed the scene there. and two witnesses that we spoke to said they feel lucky to be alive. >> he was far enough down the hall we couldn't so the face and we could see him with the rifle and he aimed and raised and hit high on the wall. >> it was people falling down and as we came outside. people were trying to get out over the wall and get out of the spaces. it was just crazy. >> he was tall. he, peered to be dark skinment i don't think he had a hat o. we were down the hall far enough. we sahim hold the rifle and raise it in our direc

i am martha mccow an in for megyn kelliy. president obama spoke and said the person or persons who did this would be brought to