Your search Notice: Eighth Circuit Rule 28a(k) Governs Citation of Unpublished Opinions and Provides That They Are Not Precedent and Generally Should Not Be Cited Unless Relevant to Establishing the Doctrines of Res Judicata, Collateral Estoppel, the Law of the Case, or if the Opinion Has Persuasive Value on a Material Issue and No Published Opinion Would Serve As Well.michael L. Colbert, Appellant, v. Kansas City Missouri Water and Pollution Control Department;city of Kansas City, Missouri, Personnel Department; Ritagabiler, Personnel Department, Water and Pollution Recordsdepartment; Duane Cosby, Water & Pollution Safety Officer;city Councilman Finey; Joyce Hammond-perry, Diversitycoordinator, Affirmative Action Officer; City of Kansascity, Missouri, Appellees did not match any document.