565.072. 1. A person commits the crime of domestic assault in the first degree if he or she attempts to kill or knowingly causes or attempts to cause serious physical injury to a family or household member or an adult who is or has been in a continuing social relationship of a romantic or intimate nature with the actor, as defined in section 455.010, RSMo.
2. Domestic assault in the first degree is a class B felony unless in the course thereof the actor inflicts serious physical injury on the victim or has previously pleaded guilty to or been found guilty of committing this crime, in which case it is a class A felony.
(L. 2000 H.B. 1677, et al., A.L. 2007 H.B. 583)
Missouri General Assembly