"prosecutors made clear to Trump’s attorneys after issuing the subpoena that they specifically wanted the Iran document he talked about on tape as well as any material referencing classified information... that may still be Trump’s possession.
...Trump’s team was unable to produce the document...
Over the course of the Justice Department’s investigation, prosecutors have expressed skepticism that all classified documents had been returned."
https://www.cnn.com/2023/06/02/politics/donald-trump-iran-subpoena
