All? Most of them are long dead. Most of them lived in times when far, far fewer docs were classified, and no one thought to weaponize retention of classified docs for political purposes. This only became a thing last year when the Rats thought they could get Trump. Garland had no choice to appoint one for Biden or totally rip the veneer off the Rats' pretense of even handedness.
I was referring to those of recent nature and still alive.