In a series of social media posts, Jack Schlossberg, a frequent critic of the Trump administration, said his family was not given a “heads up” about the release.

Jack Schlossberg, the only grandson of John F. Kennedy, took to social media to denounce the release of thousands of declassified files on the Kennedy assassination. Schlossberg, the son of Caroline Kennedy Schlossberg,

President John F. Kennedy’s only grandson, Jack Schlossberg, took aim at President Donald Trump as thousands of documents relating to the 1963 assassination were released, saying the Republican is “only being interesting in JFK’s carcass.