Kennedy assassination controversy to reignite with release of classified papers
White House may hold back some documents for national-security reasons
JFK assassination: President Kennedy, Jacqueline Kennedy and (left) Governor John Connally in the presidential motorcade in Dallas just before Kennedy was shot. Photograph: Victor Hugo King/Library of Congress
The controversy over the death of President John F Kennedy is set to reopen on Thursday with the release of thousands of classified documents related to his assassination, in 1963.