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,

Jack Schlossberg, former President John F. Kennedy’s grandson, called out President Trump and Health and Human Services Secretary Robert F. Kennedy Jr. over the release of close to 2,200 files on his grandfather’s assassination.