( CNN) The leader of the House Freedom Caucus launched a new allegation that the Justice Department had failed to turn over two text messages involving former FBI lawyer Lisa Page, but a Justice Department official said neither were relevant to the lawmaker's document requests and one had been turned over months ago.

In a letter to Rosenstein that was obtained by CNN, North Carolina Republican Rep. Mark Meadows says it's “extremely troubling” that the texts were “intentionally withheld” from lawmakers, questioning whether other materials weren't turned over as well.

“Once again, we have obtained evidence the Department of Justice and the Federal Bureau of Investigation have intentionally withhold material information from Congress, ” writes Meadows. “Specifically, we have learned of the existence of two text messages, sent weeks before the 2016 election, which raise grave concerns as to what other datum you have failed to produce to Congress.”