In public Facebook posts written before he vanished from his military base in Afghanistan, Sgt. Bowe Bergdahl spoke of his frustration with the world.
He criticized military commanders and mused about how to stop violence.
But in his personal writings, he seemed to focus his frustrations on himself and his struggle to maintain his mental stability.
Together, the writings paint a portrait of a man who was dealing with two conflicts — one fought with bullets and bombs, the other fought within himself.