The acting inspector general for the Department of Defense announced Thursday that he is investigating Secretary of Defense Pete Hegseth's use of a "commercially available messaging application for official business.

The Pentagon’s acting inspector general has announced that he will review Defense Secretary Pete Hegseth’s use of the Signal messaging app to convey plans for a military strike against Houthi militants in Yemen.

The evaluation will look into whether Defense Secretary Pete Hegseth complied with department policies when using a Signal group chat last month.

Senior Trump administration officials have been accused of using the third-party app to discuss highly sensitive national security information.

The use of the Signal messaging app by top Trump officials came to light after The Atlantic's editor was added to a group chat about planned Houthi strikes.

The Pentagon inspector general’s office said Thursday that it will scrutinize disclosures made by Defense Secretary Pete Hegseth using the unclassified messaging app Signal, as he and other top Trump administration officials coordinated a highly sensitive military operation last month in Yemen,

The Pentagon's inspector general launched a probe into the Trump administration's use of Signal to discuss a planned strike on the Houthis in Yemen.

The Pentagon's Inspector General's Office said it will look into whether Defense Secretary Pete Hegseth's use of Signal complied with Defense Department policies. CBS News senior national security correspondent Charlie D'Agata reports.

Live has been accused of 'slander' after the show's latest episode took aim at Secretary of Defense Pete Hegseth in a sketch poking fun at the Signal group chat debacle.