Conveniently I think Sydney Powell’s Twitter account is still blocked over an unrelated tweet about coronavirus.
https://www.sidneypowell.com/the-michael-t-flynn-case/
Here is the June 24th Mandamus.
https://static1.squarespace.com/static/5e80e0d236405d1c7b8eaec9/t/5ef3e40ca0680c5b1a190195/1593041932940/Order+Granting+Writ+of+Mandamus.pdf