The packed Senate Caucus room is seen as the Select Senate Committee on Presidential Campaign Activities opened its investigation into the Watergate scandal on May 17, 1973. Only 100 public seats were available. The remainder of the crowd were reporters and members of Congress.
President Nixon tells a White House news conference that he will not allow his legal counsel, John Dean, to testify on Capitol Hill in the Watergate investigation and challenged the Senate to test him in the Supreme Court.
E. Howard Hunt Jr., convicted Watergate conspirator, leaves the Senate Office Building after conferring with investigators for the Watergate Committee. Hunt was a former White House consultant and CIA official.