Rep. Adam Schiff Adam Bennett SchiffDemocrats, advocates seethe over Florida voting rights ruling DHS asks Schiff to reconsider expanded probe after whistleblower complaint, declines additional interview requests Senate panel seeks documents in probe of DHS whistleblower complaint MORE (D-Calif.) said Sunday that President-elect Donald Trump Donald John TrumpTrump says he doesn't think he could've done more to stop virus spread Conservative activist Lauren Witzke wins GOP Senate primary in Delaware Trump defends claim coronavirus will disappear, citing 'herd mentality' MORE should stop saying he has additional information about Russian hacking.

“It's indeed overwhelming and the president-elect, as you know, also said that he knows things that other people don't know. He needs to stop talking this way,” Schiff, the top Democrat on the House Intelligence committee, told ABC’s “This Week.”

“If he's going to have any credibility as president, he needs to stop talking this way. He needs to stop denigrating the intelligence community. He's going to rely on them. He's going to have to rely on them,” Schiff added.

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Trump criticized the Central Intelligence Agency after The Washington Post reported that the agency found Russia tried to interfere in the presidential election to help Trump win.

“There's only one thing worse than someone who wins elective office after everyone told them that they would win and that's someone who wins after everyone told them that they would not because they believe in the infallibility of their own judgment,” Schiff said.