Here's the Open Letter Anon
Carlo Maria Viganò
Titular Archbishop of Ulpiana
https://catholicfamilynews.com/wp-content/uploads/2020/06/Archbishop-Viganos-Open-Letter-to-President-Trump-June-7-2020.pdf?189db0&189db0
Also have an article that was posted in Catholic Family News here:
Archbishop Viganò to President Trump: Beware the “Deep Church” as Well as the “Deep State”
https://catholicfamilynews.com/blog/2020/06/06/archbishop-vigano-to-president-trump-beware-the-deep-church-as-well-as-the-deep-state/