Mo. Rev. Stat. § 506.381
1. The court shall review, before docketing, if feasible, or as soon as practicable after docketing, a complaint in a civil action in which an offender seeks redress from a governmental entity, officer or employee and shall identify cognizable claims or dismiss the complaint or any portion of the complaint, if the complaint:
(L. 1997 S.B. 56 § 8)