County and court records
- Platte County Collector of Revenue — Real Estate Tax History, parcel 19-8.0-33-200-001-012.000 (HEJNA, PAUL G & MARY P; 5530 NW Flint Ridge Rd). Parcel History search; effective date of record 10/05/2026. Due-date and penalty rule: Collector home page, "Tax Information."
- Missouri Courts, Case.net — 17AE-AC00459, City of Kansas City Missouri v Mary P Hejna — case header, Parties & Attorneys, Docket Entries. Retrieved 10/05/2026. Litigant name search: courts.mo.gov/cnet, "Hejna, Mary," all participating courts.
- Platte County Commission — May 4, 2026 vote on candidate retention (2–1); January 2026 commission order on the Homestead property-tax credit.
- Missouri voter registration file, Platte County extract — Secretary of State data obtained through a licensed voter-file vendor (name, address, and registered telephone only).
Missouri Ethics Commission
- Committee Info — Elect Mary McKenna Platte County, MECID A263914: Statement of Committee Organization (3/2/2026); April Quarterly (ID 274423, filed 4/15/2026); July Quarterly (280540, 7/15/2026); 24-Hour Notice of Late Contributions (36035, 7/25/2026); 8 Days Before Primary (283247, 7/26/2026); 30 Days After Primary (286150, 9/3/2026); AMENDED April Quarterly (286626), AMENDED July Quarterly (286647), AMENDED 8 Days Before Primary (286651), AMENDED 30 Days After Primary (286656), all filed 9/23/2026. Retrieved 10/05/2026.
- Contributions & Expenditures Search, Committee ID A263914, year 2026.
- Commission Cases/Actions — "Actions in Past 30 Days," checked 10/05/2026.
- Complaint, filed September 2, 2026 (Kim Sincox, complainant) — Official Complaint Form; Attachment A, Statement of Facts and Violations Alleged; Exhibit 1, video file 20260427_090725.mp4 (1:12); Exhibit 2, audio extraction; Exhibit 3, certified verbatim transcript; Exhibit 4, statutory appendix; Exhibit 5, Statement of Committee Organization. Commission acknowledgment: letter of September 10, 2026, Executive Director Stacey Heislen, "Re: File No. Case #26-0079-I," with enclosed Complaint Fact Sheet. Copies of the complaint and the letter are available on request.
- Complaint on disclosure reports, September 2026 (Platte County voter, complainant) — Official Complaint Form and Supporting Statement; Exhibits 1–9: Commission contribution search (147 records); the four disclosure reports and the 24-Hour Notice as filed; Commission contribution search for "ASHPAC"; aggregate-column comparison of every itemized line; Statement of Committee Organization. Copies available on request.
Statutes and constitution
- § 130.031, RSMo — restrictions on contributions; subsection 3, contributions in the name of another.
- § 130.036, RSMo — treasurer's record-keeping duties.
- § 130.041, RSMo — contents of disclosure reports.
- § 130.050, RSMo — 24-hour notices of late contributions.
- § 130.054, RSMo — complaints to the Commission.
- § 130.081, RSMo — purposeful violation, class A misdemeanor.
- § 105.961, RSMo — Commission investigations and referral for prosecution.
- Mo. Const. art. VIII, § 23 — contribution limits; reimbursed contributions; civil penalties; complaint window.
Press and public statements
- Platte County Landmark, "Mary McKenna running for Presiding Commissioner," March 15, 2026
- Platte County Landmark, "The Real Purpose of a News Conference," April 16, 2026 (McKenna op-ed)
- Platte County Landmark, "Applauding the county's election decision," May 7, 2026 (Coyne letter)
- Platte County Landmark, "Democrat and independent sit down with Ashley Aune," June 19, 2026
- Spectrum News, May 4, 2026
- KSHB, "Platte County Commission considers removing seven candidates in rare procedural move"
- Tony's Kansas City, June 12, 2026 (opinion)
- Tony's Kansas City, March 2011 (KFKF)
- electmarymckenna.com — campaign website
- Campaign Facebook page, "Elect Mary McKenna for Platte County Presiding Commissioner" — dated screenshots, April–June 2026 (on file).
Corrections supported by a document will be posted.