Michael Prysner discusses the problems he witnessed at the U.S. military post and treatment of vets with PTSD.
Officials at the military post say argument with fellow soldiers was likely the precipitating factor
Gunman identified as Army specialist who had been receiving psychiatric help at the base for anxiety and depression
Fort Hood commander says suspected shooter was under evaluation for possible post-traumatic stress disorder
Nidal Hasan, the Army psychiatrist who killed 13 people in shooting rampage, eligible for death penalty
Accused passes on opportunity to make final statement before jury begins deliberations
Fort Hood shooter convicted on all counts but unlikely to see the death chamber
