Section 21-5404 - Voluntary manslaughter(a) Voluntary manslaughter is knowingly killing a human being committed: (1) Upon a sudden quarrel or in the heat of passion; or(2) upon an unreasonable but honest belief that circumstances existed that justified use of deadly force under K.S.A. 21-5222, 21-5223 or 21-5225, and amendments thereto.(b) Voluntary manslaughter is a severity level 3, person felony.Amended by L. 2011, ch. 30,§ 17, eff. 7/1/2011.L. 1969, ch. 180, § 21-3403; L. 1992, ch. 298, § 5; L. 1993, ch. 291, § 20; July 1; L. 2010, ch. 136, § 39, July 1, 2011.