President-elect Donald Trump said on Sunday he would release classified documents in the coming days related to the assassinations of U.S. President John F. Kennedy, Senator Robert Kennedy and civil rights leader Martin Luther King Jr.

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.

Trump, returning to the White House, vowed to release classified documents on the JFK assassination and others. While he previously released some files, many remain classified due to national security concerns.

Donald Trump will be sworn in today, ushering in another turbulent four-year term with promises to push the limits of executive power, deport millions of immigrants, secure retribution against his political enemies and transform the role of the US on the world stage.

Kennedy, his brother Robert Kennedy, as well as Dr. Martin Luther King Jr. and other topics of great public interest,” the incoming president said at a rally in downtown Washington on Sunday, Reuters reported.

Germany's ambassador to the United States has warned that the incoming Trump administration will rob U.S. law enforcement and the media of their independence and