The ‘overwhelming majority’ of the material provided to a key investigative committee in response to a subpoena had already been released, according to Democratic members.

The G.O.P. chairman of a key House panel was forced to issue the subpoena after a few Republicans banded together with Democrats to push it through.

The ‘overwhelming majority’ of the material provided to a key investigative committee in response to a subpoena had already been released, according to Democratic members.

The Justice Department late Friday gave Congress the first trove of documents to comply with a subpoena by the House Oversight Committee.