(a) Bigamy is any of the following: (1) Marriage within this state by any person who has another spouse living at the time of such marriage;(2) marriage within this state by an unmarried person to a person known to such unmarried person to be the spouse of some other person; or(3) cohabitation within this state after marriage in another state or country under circumstances described in subsection (a)(1) or (a)(2).(b) Bigamy is a severity level 10, nonperson felony.(c) It shall be a defense to a charge of bigamy that the accused reasonably believed the prior marriage had been dissolved by death, divorce or annulment.L. 1969, ch. 180, § 21-3601; L. 1992, ch. 239, § 87; L. 1993, ch. 291, § 54; July 1; L. 2010, ch. 136, § 86, 7/1/2011.