The Pentagon inspector general has reportedly expanded an investigation into Defense Secretary Pete Hegseth’s use of the encrypted messaging app Signal. Citing a congressional aide and a source familiar with the inquiry,

The Pentagon inspector general has expanded an investigation into Defense Secretary Pete Hegseth’s sharing of military plans to a second Signal chat that included his wife and brother, according to people familiar with the inquiry.

Pressure is building on Defense Secretary Pete Hegseth. The Washington Post first reported and the News Hour confirmed that Hegseth had the unclassified messaging app Signal installed on a computer in his Pentagon office.