Mo. Rev. Stat. § 575.110: Tampering with a public record — penalty.

1. A person commits the offense of tampering with a public record if with the purpose to impair the verity, legibility or availability of a public record, he or she:

(1) Knowingly makes a false entry in or falsely alters any public record; or

(2) Knowing he or she lacks authority to do so, destroys, suppresses or conceals any public record.

2. The offense of tampering with a public record is a class A misdemeanor.