Pentagon Is The Latest Agency To Announce A Leak Investigation That Could Include Polygraphs

The Pentagon's intelligence and law enforcement arms are investigating what it says are leaks of national security information . Defense Department personnel could face polygraphs in the the latest such inquiry by the Trump administration.

A memo late Friday from Defense Secretary Pete Hegseth's chief of staff referred to "recent unauthorized disclosures" of such information, but provided no details about alleged leaks. Earlier in the day, President Donald Trump rejected reports that adviser Elon Musk would be briefed on how the United States would fight a hypothetical war with China.

"If this effort results in information identifying a party responsible for an unauthorized disclosure," then such information "will be referred to the appropriate criminal entity for criminal prosecution," according to the memo.

At the Homeland Security Department, Secretary Kristi Noem pledged this month to step up lie detector tests on employees in an effort to identify those who may be leaking information about operations to the media.

The Justice Department on Friday announced an investigation into "the selective leak of inaccurate, but nevertheless classified, information" from intelligence agencies about Tren de Aragua, a Venezuelan gang whose members in the United States are being targeted for removal by the Republican administration .