Mo. Rev. Stat. § 569.170 : — CRIMES AND PUNISHMENT; PEACE OFFICERS AND PUBLIC DEFENDERSROBBERY, ARSON, BURGLARY AND RELATED OFFENSES — Burglary in the second degree - penalty TEXT PDF 1. A person commits the offense of burglary in the second degree when he or she knowingly enters unlawfully or knowingly remains unlawfully in a building or inhabitable structure for the purpose of committing a crime therein. 2. The offense of burglary in the second degree is a class D felony. § 569.170, RSMo Amended by 2014 Mo. Laws, SB 491,s A, eff. 1/1/2017. L. 1977 S.B. 60 Effective 1-1-79