Neb. Rev. Stat. § 28-305 : CRIMES AND PUNISHMENTS — OFFENSES AGAINST THE PERSON —GENERAL PROVISIONS —305 - Manslaughter; penalty TEXT PDF (1) A person commits manslaughter if he or she kills another without malice upon a sudden quarrel or causes the death of another unintentionally while in the commission of an unlawful act. (2) Manslaughter is a Class IIA felony. Neb. Rev. Stat. § 28-305 Laws 1977, LB 38, § 20; Laws 2015, LB 605,§ 10. Amended by Laws 2015, LB 605,§ 10, eff. 8/30/2015.