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.

Donald Trump has promised to make things real interesting, real fast for America’s hordes of conspiracy theorists—not to mention Hollywood screenwriters and the creators of lucrative true-crime podcasts.

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.

Trump’s decision to release these files comes in the wake of strong advocacy from Robert F. Kennedy Jr., the nephew of RFK, who has long pushed for the declassification of documents related to his uncle’s assassination.

Trump has said that once he is sworn in as president on Monday, he will quickly release records relating to the assassinations of President John F. Kennedy, his brother Robert F. Kennedy and the Rev.