Washington (CNN) A Utah Republican senator on Sunday said he was "certain" the next Congress will look into President Donald Trump's ties to Saudi Arabia after the President signaled he would not punish the Saudi crown prince over the murder of Washington Post journalist Jamal Khashoggi.

"Look, I don't know why he's siding with the Saudis, but I think there are things we can do to change our relationship with the Saudis notwithstanding whatever his personal motivations might be," Sen. Mike Lee said on NBC's "Meet the Press." "I'm also certain in the next Congress people will look into that."

"But again, I think Congress has to take some ownership of US foreign policy," he continued.

California Democratic Rep. Adam Schiff, who is expected to chair the House Intelligence Committee in January, said previously that House Democrats would probe the Khashoggi killing and Trump's comments around it.

He said Sunday on CNN's "State of the Union" that he believed the President was not telling the truth about Khashoggi's death

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