Your search Notice: Eighth Circuit Rule 28a(k) Governs Citation of Unpublished Opinions and Provides That They Are Not Precedent and Generally Should Not Be Cited Unless Relevant to Establishing the Doctrines of Res Judicata, Collateral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.pinkey Mcfarlin, Appellant, v. Marvin Poe, Individually and in His Official Capacity As Thecoordinator of the Third Judicial Drug Task Force; Davidstewart, Individually and in His Official Capacity As Chiefof Police of the Newport Police Department, Appellees did not match any document.