surgery upon their arrival at scott and white. all the injured are said to be suffering from singular or multiple gunshot wounds. ft. hood, of course, was the scene of the deadliest rampage in a military installation ever. in november '09, an army psychiatrist open fired and killed 13 people and injured more than 30 others. the shooter in that incident was convicted on capital murder charge last year. he's currently on death row. but again tonight at ft. hood, there has been another mass shooting. at this point, four confirmed dead, including the suspected shooter and another 11 injured. ft. hood officials are expected to provide their first live update on the situation there within the next few minutes. we'll be right back. ♪