Greenwood v. United States

This case involves the construction and constitutional validity of the Act of September 7, 1949, 63 Stat. 686, now codified in 18 U. S. C. §§ 4244-4248, “To provide for the care and custody of insane persons charged with or convicted of offenses against the United States, and for other purposes.”

Section 4244 provides a procedure for determining mental incompetency during the period “after arrest and prior to the imposition of sentence or prior to the expiration of any period of probation.” Section 4245 sets up a similar procedure for persons in prison believed to have been mentally…