Congress passed a law in 1992 requiring the documents surrounding President Kennedy's assassination to be released by 2017, but the release has been held up by national security concerns.

President Trump ordered the public release of classified files on the assassinations of President John F. Kennedy, Senator Robert F. Kennedy and Dr. Martin Luther King Jr. NBC News' Peter Alexander reports.

Trump, who returns to the White House on Monday, promised on the campaign trail to release classified intelligence and law enforcement files on the 1963 assassination of JFK, as America's 35th president is widely known.

Donald Trump has vowed to release a set of long-hidden government files on the assassinations of John F. Kennedy, Robert F. Kennedy and Martin Luther King Jr. after he takes office in what he believes will be an effort to ramp up government transparency.