Question: Robert William Ray investigated and issued the final reports on the Whitewater scandal, the White House travel office controversy, sometimes referred to as what? 
Sentence (from "Robert Ray (prosecutor)"): As the successor to Ken Starr as the head of the Office of the Independent Counsel (1999 to 2002) he investigated and issued the final reports on the Whitewater scandal, the White House travel office controversy, and the White House FBI files controversy.
Relevant evidence: Yes