Andrea Mitchell Reports 09/20/13

Navy investigates missed warning signs

The U.S. Navy is continuing to investigate what red flags they may have missed as a clearer portrait is emerging of Washington Navy Yard shooter Aaron Alexis and how he carried out Monday’s deadly massacre. Rear Admiral John Kirby discusses. ... more Duration: {{video.duration.momentjs}}

Channels

Top Stories

from NBC News and MSNBC

Watch The Killers live at the Global Citizen Festival
Clinton: Trump is 'worse than I thought he would be'
7 hours 3 min ago
Trump: Fire football players who 'disrespect the flag'
19 hours 39 min ago
Trump wants to cut U.S. foreign aid
1 day 3 hours ago
Clinton: Russian meddling 'should terrify every American'
6 hours 44 min ago
Can single-payer plan savings make up for higher taxes?
GOP Rep.: New health bill would cause years of fighting
ACA architect: Trump has helped drive up premiums
Manafort has history of working against U.S.
Baker: Trump taunts 'play into Kim Jong Un's hand'

Best of MSNBC

Politics

The Trump Equation

Morning Joe

Rachel Maddow

© NBC UNIVERSAL