Army chiefs, and the top civilian leaders at the Pentagon including Dr. William Winkenwerder, the assistant defense secretary in charge of health affairs all say they were unaware of the conditions inside Building 18.

NPR: Army Probes Reports of Neglect at Walter Reed

"I never received a concern from a soldier, a family member and we get concerns all the time directed to us, but we never got a concern sent our way about this issue, which is a little surprising, " Winkenwerder said.

NPR: Army Probes Reports of Neglect at Walter Reed