https://www.nytimes.com/2022/08/09/us/politics/fbi-search-trump.html
When he left the White House, Mr. Trump took the boxes with him to Mar-a-Lago, packed with paperwork including letters from the North Korean leader Kim Jong-un
https://www.washingtonpost.com/national-security/2022/08/08/trump-mar-a-lago-search-fbi/
Some of the materials Trump took included letters and notes from foreign leaders, such as North Korea’s Kim Jong Un.
