Whether, given the structure of § 4241(d)(1) and in light of Jackson v. Indiana, 406 U.S. 715 (1972), the four-month period of 18 U.S.C. § 4241(d)(1) begins when the district court commits the accused to the custody of the Attorney General or when the accused arrives at the Bureau of Prisons hospital?

Whether the four-month period for determining competency under 18 U.S.C. § 4241(d)(1) begins at commitment or upon arrival at a Bureau of Prisons hospital