Telizhenko is a former Ukrainian diplomat at the center of
claims Ukraine interfered in the 2016 presidential election.
Senator Johnson said the committee's ranking member,
Democratic Senator Gary Peters of Michigan, disapproves of issuing the subpoena and is "concerned that the United States Senate and this committee could be used to further disinformation efforts by Russians or other actors."
Johnson questioned the apparent resistance to pursuing the matter, saying "[t]he American people have a right to know how their government officials conducted official business, whether certain parties received special treatment, and whether any apparent or actual conflict of interest unduly influenced U.S. policy."