sentences:  Greenholtz v. Inmates of the Nebraska Penal & Correctional Complex
  
  Greenholtz v. Inmates of the Nebraska Penal and Correctional Complex, 442 U.S. 1 (1979), was a United States Supreme Court case in which the Court held that when state law requires the state to grant parole whenever a prisoner satisfies certain conditions, due process requires the state to allow the prisoner to present evidence in support of his request for parole and to furnish a written explanation of the reasons why his request has been denied.Nebraska had both mandatory and discretionary parole.