Yesterday's shootings at Fort Hood in Killeen, Texas brought back painful memories for many service members on base.
It's been less than five years since the last shooting that killed 13 and injured dozens more. Yesterday's attack killed three and injured 16. It's raised new security concerns at one of the largest US military bases in the world.
For more, we're joined by Kate McGee, who's been covering the shootings at Fort Hood for public station KUT in Austin.