Mo. Rev. Stat. § 565.054: Assault in the third degree.

1. A person commits the offense of assault in the third degree if he or she knowingly causes bodily harm to another person.

2. The offense of assault in the third degree is a class E felony, unless the victim of such assault is a special victim, as the term "special victim" is defined under section 565.002, in which case it is a class D felony.