[Prosecutors Question Authenticity of SBF's Retrial Request Letter] On March 23, federal prosecutors submitted documents to the judge questioning the authenticity of a letter allegedly sent from prison by FTX founder SBF. Prosecutors pointed out that the letter was sent via FedEx from the Palo Alto or Menlo Park area, which does not match the federal prison Terminal Island where he is held. Additionally, the letter incorrectly labeled the prison as a state facility and used a typed signature instead of a handwritten one, violating federal prison regulations that prohibit the use of private couriers for mailing letters. While prosecutors did not directly accuse SBF or his associates of forging the document, they stated that these inconsistencies could impact the credibility of evidence related to the retrial request. SBF, who was sentenced to 25 years in prison for fraud and conspiracy charges, is currently seeking a retrial.