Federal prosecutor Nicole Waid said a District of Columbia Department of Corrections doctor determined James W. von Brunn was too ill to from injuries he received in a shootout to appear before the judge Wednesday, The Washington Times reported Wednesday.
Von Brunn, 88, was shot in the face during the June 10 incident in the museum's lobby that killed security guard Stephen T. Johns, 39. Von Brunn has been been charged with first-degree murder.
Federal public defender A.J. Kramer said von Brunn, of Annapolis, Md. was responsive but unable to walk.
U.S. Magistrate Judge John M. Facciola scheduled the next status hearing in for July 10.
2014: The Year in Music [PHOTOS]