American President-elect Donald Trump has appointed his son-in-law Jared Kushner to a high-level position in his administration. Trump asked Kushner to serve as a senior adviser to the president. Unlike cabinet positions, the job of adviser does not require approval of the United States Senate. Six members of Congress are questioning Kushner’s appointment. All six belong to the Democratic Party. The lawmakers wrote a letter to Attorney General Loretta Lynch and the U.S. Office of Government Ethics. They noted that a 1967 law bars a public official from appointing a family member to the same agency in which the official serves. They also asked the Justice Department and ethics officials to investigate possible conflicts of interest. Jared Kushner is married to Donald Trump’s daughter Ivanka.