(1) A person commits the offense of tampering with or fabricating physical evidence if, believing that an official proceeding or investigation is pending or about to be instituted, the person:
(a) alters, destroys, conceals, or removes any record, document, or thing with purpose to impair its verity or availability in the proceeding or investigation; or
(b) makes, presents, or uses any record, document, or thing knowing it to be false and with purpose to mislead any person who is or may be engaged in the proceeding or investigation.
(2) (a) Except as provided in subsection (2)(b), a person convicted of tampering with or fabricating physical evidence shall be imprisoned in the state prison for a term not to exceed 10 years or be fined an amount not to exceed $50,000, or both.
(b) A person convicted of tampering with or fabricating physical evidence in connection with a homicide or homicide investigation and who in so doing affected the ability of a coroner or medical examiner to determine either a cause of death or manner of death, or both, shall be imprisoned in the state prison for a term not to exceed 40 years or be fined an amount not to exceed $100,000, or both.