https://www.cruz.senate.gov/?p=press_release&id=4451
Sen. Cruz: “It is an unusual thing, is it not, for the Department of Justice to be investigating a candidate for president, particularly a candidate from the opposing party of the party in power?”
Attorney General Barr: “Yes.”
Sen. Cruz: “Do we know if the Obama administration investigated any other candidates running for president?”
Attorney General Barr: “I don't know.”
Sen. Cruz: “Do we know if they wiretapped any other–”
Attorney General Barr: “I’m sorry. I guess they were investigating Hillary Clinton for the email, the email thing.”
Sen. Cruz: “Do we know if there were wiretaps?
Attorney General Barr: “I don't know.”
Sen. Cruz: “Do we know if there were efforts to send investigators in wearing a wire?”
Attorney General Barr: “I don’t know.”
Sen. Cruz: “So, General Barr, I would urge, you have had remarkable transparency. You promised this committee you would with regard to the Mueller report. You promised this committee and the American people you would release the Mueller report publicly. You have released the report. Anyone can read it, it’s right here. I appreciate that transparency. I would ask you to bring the same transparency to this line of questioning about whether and the extent to which the previous administration politicized the Department of Justice, targeted their political rivals, and used law enforcement and intelligence assets to surveil them improperly.”