Haven't seen mention of this yet .. but will just leave this here. ;-p
https://www.bloomberg.com/news/articles/2022-02-04/vast-doj-probe-looks-at-almost-30-short-selling-firms-and-allies
https://markets.*.com/news/stocks/doj-short-sellers-information-requests-investigation-probe-stocks-sec-fbi-2022-2