Robert F. Kennedy were released Friday, including handwritten notes by the gunman, who said the Democratic presidential candidate "must be disposed of" and acknowledged an obsession with killing him.

Portrait of American Attorney General Robert F Kennedy (1925 - 1968) as he appears in front of microphones before the Platform Committee, Washington, DC, August 19, 1964.(Getty images) Former ...

Hotel busboy Juan Romero, right, comes to the aid of Sen. Robert F. Kennedy, as he lies on the floor of the Ambassador Hotel moments after he was shot, June 5, 1968, in Los Angeles.(AP ...