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Professional son-in-law Jared Kushner has pulled his dead-eyed Dennis The Menace act once again, landing in hot water with the U.S. Senate over perceived failures to disclose the existence of a private email server, a.k.a., the most heinous crime an American public official can possibly commit.

Kushner—who serves in a nebulous advisory role to his father-in-law, Donald Trump—was previously called before a Senate intelligence committee investigating his meetings with Russian officials in the run-up to the 2016 election. At the time, he said nothing about his private email, which he’s reportedly used on multiple occasions to communicate with other White House staffers, although reportedly never in regard to classified material.

The committee’s respectful-but-terse letter—which suggests, basically, that next time he’d better damn well disclose all of his communications when he’s being interviewed about potential foreign interference in American elections—was acquired by CNN via the same email prankster who’s become a consistent thorn in the administration’s side for the last several months, masquerading as various White House officials and sneaking his way into casual communications.