Mo. Rev. Stat. § 574.140: Cross burning — penalties.

1. A person commits the offense of cross burning if he or she burns, or causes to be burned, a cross with the purpose to frighten, intimidate, or cause emotional distress to any person or group of persons.

2. The offense of cross burning is a class A misdemeanor, unless the person has previously been found guilty of an offense under this section, in which case it is a class E felony.