Crossword clues for Senate investigator. 6 letters:PROBERSenate investigator.OCONORNew head of Senate crime investigation.HALLEYCounsel for Senate Crime investigators.PROBESenate investigation, e.g.PROBESenate investigationESTESFirst name of chairman of Senate crime investigating committee.MEADChairman of Senate War Investigation Committee.ERVINHe directed the Senate's Watergate investigationERVINSenator Sam who investigated Watergate
