Mayor Eric Adams' chief adviser, Ingrid Lewis-Martin, issued federal subpoena, has cellphone seized

Embattled New York City Mayor Eric Adams' chief adviser, Ingrid Lewis-Martin, had her home searched and was issued a federal subpoena Friday.

Lewis' attorney, Arthur Aidala, confirmed to Fox News Digital that Adams' senior adviser was served a subpoena by the Southern District of New York.

Along with the subpoena, Lewis' cellphone was seized by the New York County District Attorney's office.

"She will cooperate fully with any and all investigations and Ms. Lewis is not the target of any case of which we are aware," Aidala said.

Lewis-Martin, was reportedly met at the airport Friday by investigators after she got off a flight from Japan and issued the subpoena, according to the Associated Press.

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The federal subpoena and search of her home comes a day after an indictment against Adams was unsealed to reveal fraud, bribery and corruption charges.

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On Friday, he arrived at the federal court in Manhattan to surrender to authorities and pleaded not guilty.

The mayor, 64, is accused of soliciting illegal campaign donations from foreign entities and falsifying paper trails to cover it up, according to a 57-page indictment unsealed Thursday. As part of the plot, he allegedly defrauded taxpayers for $10 million over the past decade and frequently took free or steeply discounted vacations bankrolled by his foreign benefactors.

Adams denied the allegations in a video statement, saying any charges filed against him are "entirely false, based on lies" and insinuating that his criticism of the Biden administration's disastrous border policies made him a target for retaliation.

"The federal government did nothing as its broken immigration policies overloaded our shelter system with no relief," he said. "I put the people of New York before party and politics."

Fox News Digital's Michael Ruiz contributed to this report.