Rod Rosenstein has officially been subpoenaed to appear before the Committee of the Judiciary on April 5, 2018.
https:// judiciary.house.gov/wp-content/uploads/2018/03/032218_Subpoena.pdf
The remaining redactions are going be reviewed over the next 180 days, and any not sufficiently demonstrated to need withholding will be released on April 26, 2018.
https:// www.npr.org/2017/10/26/559799857/final-jfk-assassination-files-due-to-be-released