Mo. Rev. Stat. § 575.070: Proof of falsity of statements.

No person shall be convicted of a violation of section* 575.040, 575.050 or 575.060 based upon the making of a false statement except upon proof of the falsity of the statement by:

(1) The direct evidence of two witnesses; or

(2) The direct evidence of one witness together with strongly corroborating circumstances; or

(3) Demonstrative evidence which conclusively proves the falsity of the statement; or

(4) A directly contradictory statement by the defendant under oath together with:

(a) The direct evidence of one witness; or

(b) Strongly corroborating circumstances; or

(5) A judicial admission by the defendant that he or she made the statement knowing it was false. An admission, which is not a judicial admission, by the defendant that he or she made the statement knowing it was false may constitute strongly corroborating circumstances.