Video Footage of Shooter at Washington Navy Yard

FBI Releases Chilling Footage of Navy Yard Shooter

Chilling video: Washington Navy Yard shooter with shotgun

FBI: Washington Navy Yard shooter Aaron Alexis caught on camera

FBI: Washington Navy Yard shooter Aaron Alexis caught on camera

Washington Navy Yard shooter believed he was controlled by radio waves: FBI

FBI says shooter had valid pass to get into Washington Navy Yard

Who is the Washington Navy Yard Shooter?

Washington Navy Yard Shooting Caught on Camera Full Released Footage

Washington Navy Yard Shooting: Several Dead, Navy Yard gunman named as Aaron Alexis

Tiroteo en el cuartel de la Marina en Washington - Washington Navy Yard shooting

Navy Yard Shooter Had Shotgun Handgun

FBI releases surveillance video of Navy Yard shooter

FBI releases surveillance video of Navy Yard shooter

Family Recounts Possible Encounter With Navy Yard Shooter

Navy Yard shooting video footage released by FBI

Shooting at Washington DC Navy Yard

Washington Navy Yard shooting: gunman Aaron Alexis among 13 dead

Washington Navy Yard locked down after shooting scare

Washington Navy Yard shooting: gunman Aaron Alexis among 13 dead- UPDATE

RAW: President Obama Speaks About the Mass Shooting at Washington D.C. Navy Yard