(a) Destroys, mutilates, alters, conceals or removes physical evidence impairing its verity or availability; or
(b) Knowingly makes, produces or offers any false physical evidence; or
(c) Prevents the production of physical evidence by an act of force, intimidation or deception against any person.
(2) Tampering with physical evidence is a Class A misdemeanor. [1971 c.743 §204]