Missouri Revised Statutes Title XXXVIII. Crimes and Punishment; Peace Officers and Public Defenders § 566.093. Sexual misconduct, first degree, penalties

(1) Exposes his or her genitals under circumstances in which he or she knows that his or her conduct is likely to cause affront or alarm;

(2) Has sexual contact in the presence of a third person or persons under circumstances in which he or she knows that such conduct is likely to cause affront or alarm; or

(3) Has sexual intercourse or deviate sexual intercourse in a public place in the presence of a third person.