John F. Kennedy Jr. (R) speaks with his wife Carolyn Bessett, at bottom with back to camera, as news reporter Diane Sawyer (L) listens at the Robin Hood Foundations "Heroes Awards" ceremony in New York on December 2. Kennedy's presented an award to his grade school classmates Ivan and Hans Hageman, two brothers who founded the East Harlem School at Exodus House, who were among five recipients cited for outstanding leadership in the fight against poverty.The Robin Hood Foundation, founded by Wall Street businessmen in 1988, seeks out and funds the most innovative and effective programs helping poor New Yorkers rise from economic dependence.

President Bill Clinton tours the Blue Room of the White House with John F. Kennedy Jr. and his wife Carolyn, March 5, 1999. Clinton wistfully recalled Kennedy during a statement July 21 and the bittersweet memory of taking him on a tour of the White House where he lived as a toddler before his father's assassination.

US President Bill Clinton greets John F. Kennedy Jr. (R) at a tribute to U.S. space pioneers at the White House March 5. Clinton was joined by Kennedy, [Tom Hanks] and 15 former astronauts at a special screening of a new television series that tells the history of the Apollo space programme. Kennedy was one of the speakers at the event.

John F. Kennedy Jr. and his wife Carolyn Bessette stop for photographers after Kennedy presented actor Robert De Niro with the Municipal Art Society of New York's Jacqueline Kennedy Onassis Medal at a gala dinner in New York, in this March 4, 1997 file photo. Thursday July 16, 2009 marks the 10th anniversary of the plane crash that killed Kennedy and his wife.

A photograph of John F. Kennedy Jr. saluting at his father's funeral, a Yankees baseball cap, and flowers wrapped in an American flag are among the items left outside the building where John F. Kennedy Jr. and his wife Carolyn Bessette lived in the Tribeca section of New York July 19. Authorities have given up hope of finding Kennedy alive after the single engine plane he was flying crashed in the waters off Martha's Vineyard the evening of July 16.

John F. Kennedy Jr. and his sister Caroline Kennedy Schlossberg hold hands as they go into the apartment of their late mother Jacqueline Kennedy Onassis through a throng of mourners and members of the media May 22.

John F. Kennedy Jr. and his wife Carolyn Besette arrive for the entertainment portion of the White House State Dinner, February 5. President Clinton hosted the first state dinner of the year for visiting British Prime Minister Tony Blair.

John Kennedy Jr. plays with his mother Jacqueline Kennedy's string of false pearls in this August 1962 White House handout file photo. Thursday July 16, 2009 marks the 10th anniversary of the plane crash that killed John Kennedy Jr. and his wife. (B&W ONLY) REUTERS/ White House Photo by Cecil Stoughton/John F. Kennedy Presidential Library and Museum/Handout via Reuters

U.S. Representative Patrick Kennedy (FAR L,) U.S. Senator Ted Kennedy (L) and Edward Kennedy Jr. (facing C) are escorted to a U.S. Coast Guard helicopter outside of the Kennedy compound in Hyannis, Massachusetts July 21. Officials say they have found the body of John F. Kennedy Jr. who's plane crashed off Martha's Vineyard July 16, with his wife Carolyn Bessette and her sister Lauren on board, as passengers. Sen. Kennedy was being flown to a ship to identify the body. JC/JP/ME.

John F. Kennedy Jr. arrives at the apartment of his late mother by bike May 21.

Sen. Ted Kennedy (R) and his wife Victoria Reggie (L) sit with the children of John F. Kennedy, JFK Jr. and Caroline Kennedy Schlossberg, at a gala celebrating the 25th anniversary of the Kennedy Center, April 27

Senator Ted Kennedy (L), John F. Kennedy Jr. and Caroline Kennedy Schlossberg at the JFK Profiles in Courage ceremony at the JFK Library in Boston on May 28, 1996.

John F. Kennedy Jr. introduces his new politicalmagazine "George" at a press conference in New York September 7. The son of former President John F. Kennedy said the new magazine will be a contemporary political magazine aimed at a mass audience.

Former U.S. President John F. Kennedy sits in a rowboat with his son John F. Kennedy Jr. on Bailey's Beach in Newport, Rhode Island in this handout photo taken September 15, 1963. November 22, 2013 will mark the 50th anniversary of the assassination of President Kennedy. REUTERS/Robert Knudsen-Office of the Naval Aide to the President/John F. Kennedy Presidential Library

A photograph of former U.S. President John F. Kennedy, his wife Jacqueline Kennedy Onassis and their two children Caroline (R) and John, Jr. (L) is displayed before an upcoming Bonhams auction in New York, December 7, 2010. The photograph, taken by White House photographer Cecil Stoughton, is one of 12,000 photographs, many which have never before been seen by the public. REUTERS/Jessica Rinaldi

Publisher and editor in chief of George Magazine, John F. Kennedy Jr. and his wife Carolyn arrive for a gala awards dinner in New York, in this May 19, 1999 file photo. Thursday July 16, 2009 marks the 10th anniversary of the plane crash that killed Kennedy and his wife.

Caroline Kennedy Schlossberg and her brother John F. Kennedy Jr. share a laugh as they chat onstage at the 1998 John F. Kennedy Profiles in Courage Award ceremonies at the JFK Presidential Library in Boston in this May 29, 1998 file photo. Thursday, July 16, 2009 marks the 10th anniversary of the plane crash that killed John F. Kennedy Jr. and his wife.