Nightly News   |  April 05, 2014

Authorities Look for Lessons From Fort Hood Shooting

Many question why the deadly shooting happened, how it could have been prevented and what it means.

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This content comes from Closed Captioning that was broadcast along with this program.

>>> three days after the shooting at ft. hood that left three dead and 16 people wounded come the tough questions. why it happened again and how it could have been prevented. mark potter with that story for us tonight.

>> reporter: on and off base, widespread concern for the families of those killed or wounded in the ft. hood shoot out.

>> it's important to remember. if you fail to remember, you're doomed to repeat.

>> reporter: also front and center is the issue of mental health . with portable va council units in place and congressmen visiting.

>> we have to do a better job of reaching out for your young men and women coming back from harms way.

>> reporter: the army says the gunman, specialist ivan lopez was under psychiatric treatment when he brought the murder weapon on base. he is accused of killing staff sergeant carlos lazaney rodriguez, sergeant timothy owens and sergeant first class daniel ferguson.

>> obviously we have a gap. any time we lose an individual, something has gone wrong.

>> reporter: it's been an issue for several years. in 2010 , a year after the first ft. hood shooting rampage in which 13 were killed, the defense department issued an independent report on protecting

the force: lessons from ft. hood. we must be alert to the mental, emotional, and spiritual balance of service members, colleagues and civilian coworkers and respond when they appear at risk. many believe the army haven't moved fast enough on this issue and see the latest ft. hood shooting as another wake up call .

>> i think this incident is going to motivate the military establishment to find some way to identify more quickly people that have problems and do a much better job, a swifter job of getting these people out of the service.

>> reporter: the ft. hood commander said no permanent changes in operating procedures have been made but they're underreview after two shooting sprees at the same place. as officials debate the need for policy change, a ft. hood memorial service is scheduled for this coming wednesday to honor the latest round of fallen and wounded here. lester.