‘Heads are exploding’: How security experts see the Signal war-plan breach

<img src='https://npr.brightspotcdn.com/dims3/default/strip/false/crop/5746×3831+0+0/resize/5746×3831!/?url=http%3A%2F%2Fnpr-brightspot.s3.amazonaws.com%2F23%2F8b%2F8b83f45a405a92d9d6f5867693c1%2Fgettyimages-2206272811.jpg' alt='President Trump speaks alongside Secretary of Defense Pete Hegseth in the Oval Office on March 21. Days earlier, Hegseth shared details about overseas war plans in a group chat on Signal, an encrypted, open-source messaging app, according to The Atlantic.’/>

The breach left military and intelligence experts asking the same questions as the public: Why would top U.S. officials use a free messaging app to discuss classified military plans?

(Image credit: Anna Moneymaker)