WASHINGTON —

A law enforcement investigation is underway into efforts to impersonate President Donald Trump’s chief of staff, Susie Wiles , according to two sources familiar with the matter.

The Wall Street Journal first reported on the investigation into efforts to impersonate Wiles, writing that “senators, governors, top U.S. business executives and other well-known figures have received text messages and phone calls from a person who claimed to be the chief of staff.”

Wiles is one of Trump’s closest advisers and is often in touch with lawmakers who need to reach the president. She has a long list of influential Republican contacts.

The investigation comes after the FBI warned earlier this month that hackers have been using AI-generated voice messages to impersonate senior U.S. gov

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