(a) A person commits the crime of tampering with physical evidence if he:

    (1)    Alters, destroys, suppresses or conceals any record, document or thing with purpose to impair its verity, legibility or availability in any official proceeding or investigation; or

    (2)    Makes, presents or uses any record, document or thing knowing it to be false with purpose to mislead a public servant who is or may be engaged in any official proceeding or investigation.

    (b) Tampering with physical evidence is a class A misdemeanor.

(Code 1964, § 7.910)

     State law reference(s)--Similar provisions, RSMo. § 575.100.