First lady Melania TrumpMelania TrumpMelania Trump to attend reopening of Washington Monument Former speechwriter says Michelle Obama came up with 'when they go low we go high' line White House dismisses 'ridiculous' criticism of Melania Trump's coat on 9/11 MORE said in a new interview that there are people in the White House whom she can't trust.

When asked during an ABC News interview if she was President TrumpDonald John TrumpSupreme Court comes to Trump's aid on immigration Trump is failing on trade policy Trump holds call with Netanyahu to discuss possible US-Israel defense treaty MORE's "gatekeeper" in the West Wing, she said "yes, I give him my honest advice."

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ABC's Tom Llamas pressed about whether there were people in the White House she hadn't trusted during her husband's tenure.

"Yes... I let him know... Some people they don't work there anymore," she replied.

"It's harder to govern," she added. "You always need to watch your back."

Melania's Trump's comments come a littler over a month after an anonymous administration official penned a New York Times op-ed criticizing the president's tenure and implying that several people in the West Wing were conspiring to curb his agenda.

The president called for a Department of Justice investigation, but the writer's identity has yet to be revealed.