Last week, however, Waltz’s phone made headlines again: on Thursday, the same day that Waltz would be ousted from his position, a Reuters photographer captured an image that showed him checking Signal messages from colleagues beneath a table at a cabinet meeting.

A hacker reportedly stole data, including the personal information of CBP officials, from TeleMessage, a messaging app Mike Waltz was seen using.

A phone app that Mike Waltz, President Donald Trump’s former national security adviser, apparently used to save his text messages has temporarily suspended its services as it investigates a cybersecurity incident,