Jaded Evidence · Interactive Investigation Case File
Edi Mari Hernández Chacón / Shavon Gayden prosecution
Chicago, Illinois · Updated October 26, 2026
Current status: Shavon Gayden is charged with first-degree murder; a judge ordered a competency evaluation.
Case file contents
Overview
Seven-year-old Edi Mari Hernández Chacón was fatally stabbed while walking in Chicago’s Chatham neighborhood on October 3, 2026. Police arrested Shavon Gayden, 48, after bystanders detained her. Gayden faces one count of first-degree murder. A judge later ordered a competency evaluation.
Verified timeline
- October 3, 2026 — Edi Mari was attacked and pronounced dead at Comer Children’s Hospital; police arrested Gayden.
- October 5–7 — Gayden’s initial court appearance was delayed while she was hospitalized; she was ordered detained.
- October 9 — Reporting confirmed that a judge ordered a competency evaluation.
Evidence and source review
What the reviewed record supports
Prosecutors cite surveillance, eyewitnesses and knives recovered after arrest; defense counsel raised serious mental-health concerns. Competency addresses ability to participate in proceedings and does not decide guilt, intent or criminal responsibility.
What this page does not treat as established
Unproven allegations, disputed witness accounts, inferred motives and incomplete forensic findings are labeled and are not presented as court findings.
Legal status
Shavon Gayden is charged with first-degree murder; a judge ordered a competency evaluation.
Unless a final adjudication is stated, every accused person is presumed innocent unless and until proven guilty in court.
Open questions
What is the result of the competency evaluation? Has an indictment replaced the initial charge? What do the complete surveillance, forensic testing and medical-examiner records show? Has any motive been established?
Sources reviewed
- [1] Associated Press — charge and initial facts
- [2] ABC7 Chicago — competency evaluation
- [3] WTTW — prosecutor’s allegations
Links were checked during the October 26, 2026 review. Source descriptions identify the reporting or record used; they do not convert an allegation into a fact.
Outstanding records and follow-up
Records still needed
Complaint/proffer and indictment; competency and treatment orders; Cook County docket; surveillance and forensic reports; medical-examiner record.
Update standard
Future updates should distinguish original records, agency statements, witness accounts, prosecutor allegations, defense positions, expert conclusions and court findings.

