CIA Director John Brennan lectured Donald Trump today on FOX News Sunday “to watch what he says.”

This comes after a series of intelligence leaks made headlines this past month in an attempt to denigrate the president elect.

Reuters reported:

CIA Director John Brennan on Sunday had a stern parting message for Republican Donald Trump days before he assumes the U.S. presidency, cautioning him against loosening sanctions on Russia and warning him to watch what he says.

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Brennan rebuked the president-elect for comparing U.S. intelligence practices to Nazi Germany in comments that laid bare the friction between Trump and the intelligence community he has criticized and is on the verge of commanding.

In an interview with “Fox News Sunday,” Brennan questioned the message sent to the world if the president-elect broadcasts that he does not have confidence in the United States’ own intelligence agencies.

“What I do find outrageous is equating intelligence community with Nazi Germany,” Brennan said. “I do take great umbrage at that.”