Federal prosecutors have cast doubt on a recent court filing purportedly sent from prison by former FTX CEO Sam Bankman-Fried, telling a judge that a March 16 letter submitted in his name may not have been sent from prison but instead shipped via FedEx from the San Francisco Bay Area. In a filing, prosecutors said the letter appeared inconsistent with Bureau of Prisons rules, which prohibit inmates from using private carriers. The envelope labeled the facility incorrectly, FedEx tracking data pointed to pickup in Palo Alto or Menlo Park, and the document bore a typed “/s/” signature rather than a handwritten one, ... (full story)