The executive order Trump signed Thursday also aims to declassify the remaining federal records relating to the assassinations of Sen. Robert F. Kennedy and the Rev. Martin Luther King Jr. The order is among a flurry of executive actions Trump has quickly taken the first week of his second term.

Jonathan Eig, who won a 2024 Pulitzer Prize for his biography, “King: A Life,” said he has probably read about 90% of the available government files related to King, including a trounce of files released in 2017.