IE 11 is not supported. For an optimal experience visit our site on another browser.

Were there warning signs before Ft. Hood?

06:09

After an Iraq war veteran opened fire at Fort Hood, the close-knit military community asks how a tragedy like this could hit less than 5 years after the last deadly rampage. NBC’s Charles Hadlock, NBC’s Jim Miklaszewski, and Col. Jack Jacobs join Andrea Mitchell.