Former President Donald Trump believes the Secret Service "knows everything" about the bag of cocaine found at the White House.

"They know who this was. They know the person. It's impossible. How could they not?" Trump said in an interview on Fox News’ Sunday Morning Futures with Maria Bartiromo.

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“You know, I’ve gotten to know the Secret Service really well, OK? And I can’t speak more highly, these are incredible people. And I believe that they know everything," the former president said.

He added, "They’re really smart and really good at what they do. And I don’t think it’s possible for bags of cocaine to be left in a certain area — by the Situation Room. I’m not talking about, you know, five blocks away. The Situation Room where you decide on war, where you decide on nuclear."

Last week, Secret Service said that it did not find fingerprints or DNA on the bag of cocaine that was found in the White House. Agents also reviewed surveillance camera footage and could not identify a suspect.

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Trump spoke about the cocaine investigation while railing against the “weaponized” Department of Justice and FBI.