Former White House chief of staff Mark Meadows has complied with a subpoena from the Justice Department’s investigation into events surrounding January 6, 2021, sources familiar with the matter tell CNN, making him the highest-ranking Trump official known to have responded to a subpoena in the federal investigation.

(SOURCE) https://www.cnn.com/2022/09/14/politics/mark-meadows-subpoena-justice-department-january-6/index.html