A Defense Department official who testified in the impeachment inquiry against President Donald Trump did so in defiance of the Pentagon, which told her not to cooperate.
The Pentagon is sorting through thousands of documents and correspondence related to Ukrainian military aid, but a good chunk of those might be withheld from the House impeachment inquiry.
The White House has relinquished its hold on $250 million in military aid to Ukraine after weeks of bipartisan pressure from lawmakers who said the funding was needed to deter Russia.