It’s a more extensive use of the app than previously reported and sheds new light on how commonly the Trump administration’s national security team relies on Signal.

Just seven days after the Signal chat scandal erupted, the White House announced that it doesn’t want to talk about it anymore. In fact, it was Monday when press secretary Karoline Leavitt said that, as far as she and her colleagues are concerned, “this case has been closed.”

Amid the backlash to the Trump administration’s use of the private messaging app Signal for sensitive U.S. military planning in Yemen, Politico reported Wednesday that national security adviser Mike Waltz’s team set up at least 20 such chats.