Obama Security Team Probes Fort Hood Shooting

General Mark Milley, III Corps and Fort Hood Commanding General, speaks to media during a press conference about a shooting that occurred earlier in the day at Fort Hood Military Base on April 2, 2014 in Fort Hood, Texas. Anthony Smith/Getty Images

U.S. President Barack Obama says the FBI and his national security team are working together to investigate Wednesday’s Fort Hood shooting. (Video: Associated Press)