Question: Which of the controversies that Robert Ray investigated arose in June 1996?

Context paragraphs:
United Nations Security Council Resolution 1063: United Nations Security Council resolution 1063, adopted unanimously on 28 June 1996, after recalling all Security Council and General Assembly resolutions on Haiti and the termination of the United Nations Mission in Haiti (UNMIH) on 30 June 1996 in accordance with Resolution 1048 (1996), the Council decided to establish the United Nations Support Mission in Haiti (UNSMIH) to train a national police force and maintain a stable environment.

USS David R. Ray: USS "David R. Ray" (DD-971), was a "Spruance"-class destroyer named for United States Navy Hospital Corpsman Second Class David Robert Ray who was killed in action in 1969 while assigned to a Marine Corps artillery unit during the Vietnam War and posthumously awarded the Medal of Honor.

Ray Whitley (songwriter): Robert Ray Whitley, commonly known as Ray Whitley, (1943-2013) was an American beach music composer and singer-songwriter.  He was best known for composing hit songs recorded by The Tams and Guy Darrell, though he also released 14 of his own singles between 1961 and 1970.

Murder of Jerry McCabe: Detective Garda Jerry McCabe (22 November 1943 – 7 June 1996) was a member of the Garda Síochána, the national police force of Ireland.  McCabe was killed in Adare, County Limerick on 7 June 1996, by members of the Provisional IRA, during the attempted robbery of a post office van.

Robert R. Shafer: Robert Ray "Bobby" Shafer (born April 10, 1958) is an American actor who has amassed a substantial cult-following for having played Officer Ted Warnicky (more commonly known as Joe Vickers) in the 1989 horror-comedy "Psycho Cop" and the sequel "Psycho Cop 2".  Shafer, sometimes credited as Bobby Ray Shafer, is best known for playing Bob Vance on "The Office".  Born in Charleston, West Virginia, Shafer has appeared in film, television, commercials, voice-over and theater.  According to Amazon.com, Shafer has appeared in at least 18 movies.

White House FBI files controversy: The White House FBI files controversy of the Clinton Administration, often referred to as Filegate, arose in June 1996 around improper access in 1993 and 1994 to FBI security-clearance documents.  Craig Livingstone, director of the White House's Office of Personnel Security, improperly requested, and received from the FBI, background reports concerning several hundred individuals without asking permission.  The revelations provoked a strong political and press reaction because many of the files covered White House employees from previous Republican administrations, including top presidential advisors.  Under criticism, Livingstone resigned from his position.  Allegations were made that senior White House figures, including First Lady Hillary Clinton, may have requested and read the files for political purposes, and that the First Lady had authorized the hiring of the underqualified Livingstone.

The Vulgar Boatmen: The Vulgar Boatmen are an American rock band formed in Gainesville, Florida in the early 1980s by a group of students at the University of Florida, including John Eder and Walter Salas-Humara.  In its original configuration the group issued several cassette-only releases, including "Women and Boatmen First" (1982) and "All Bands on Deck" (1984).  As first Eder and then Salas-Humara departed, the group coalesced around Robert Ray, a film studies professor at the university, who became one of the group's two principal songwriters and vocalists, the other being Indiana musician Dale Lawrence, a former student of Ray's who was a veteran of the early punk band the Gizmos.  The band was named as a play on the term The Volga Boatmen.

UEFA Euro 1996 squads: These are the squads for the UEFA Euro 1996 tournament, which took place in England between 8 June and 30 June 1996.  The players' listed ages are as of the tournament's opening day (8 June 1996).

Robert Ray (prosecutor): Robert William Ray (born April 4, 1960) is an American lawyer practicing in the New York office of the Dallas-based law firm of Thompson & Knight, LLP.  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.  Before that he was Deputy Independent Counsel investigating former Secretary of Agriculture Mike Espy and before that Assistant United States Attorney for the Southern District of New York.

Murder of Melanie Hall: Melanie Hall (20 August 1970 – disappeared 9 June 1996; declared legally dead 17 November 2004) was a British hospital clerical officer from Bradford on Avon, who disappeared on 9 June 1996, following a night out at the Cadillacs nightclub in Bath.  It was not until 5 October 2009 that her partial remains were discovered, after a plastic bin bag containing human bones was located by a workman on the M5 motorway near Thornbury, South Gloucestershire.  The bones, which included a pelvis, thigh bone and skull, were analysed and identified as belonging to Melanie Hall on 7 October 2009.  It was determined that Hall had suffered severe fractures to her skull and face, and had been tied up with rope, although a definitive cause of death could not be pinpointed.  Over the years, various people have been arrested but subsequently released.

Supporting paragraphs: Robert Ray (prosecutor) White House FBI files controversy
Answer: The White House FBI files controversy