Donald Trump actually said...

"I hear it's used by a lot of groups, I hear it's used by the media a lot."

"I don't think it's something we're looking forward to using again."

"Sometimes people can get onto those things, that's one of the prices you pay when you're not sitting in the Situation Room with no phones, which is always the best, frankly."

"I asked national security adviser Mike Waltz to immediately study the use of Signal by government officials."