Do the Fifth and Sixth Amendments guarantee a defendant the right to call a percipient witness to nearly the entirety of the Government's evidence presented in the prosecution's case-in-chief, or may a district court preclude such percipient witness testimony as irrelevant?

QUESTION PRESENTED Do the Fifth and Sixth Amendments guarantee a defendant the right to call a percipient witness to nearly the entirety of the Government’s evidence presented in the prosecution’s case-in-chief, or may a district court preclude such percipient witness testimony as irrelevant? i STATEMENT OF RELATED CASES United States v. Jackson, Case No. 13 Cr. 484-CAS-62, Central District of California (Snyder, J.). Judgment entered March 2, 2020. Docket Entry 1342. United States v. Jackson, Case No. 20-50057, United States Court of Appeals for the Ninth Circuit. Memorandum disposition filed March 12, 2024. Docket Entry 80; see also Pet. Appx. Motion for Rehearing denied June 10, 2024. Docket Entry 84. ii