"I may have misinterpreted that, and I apologize for that," the congresswoman said after being informed of her error.

So what did the witnesses tell lawmakers? Testimony from Stone and authors Jefferson Morley and James DiEugenio largely centered around criticism of the CIA and other federal officials in the decades since Kennedy's assassination.

Lauren Boebert made the error when speaking at a congressional hearing on Tuesday about the assassination of John F. Kennedy.