Partner · present Aug 16
Brian Hickerson
Documented On-off boyfriend; LA and Wyoming domestic-violence court record culminating in April 2021 no-contest plea; present in Greenville on Aug 16; gave interview account of discovery and Narcan; represented post-death by attorney Sloan Ellis.
Contested Any claim that prior abuse history equals supply of a fatal dose. Court history and presence are documented; a supply finding requires separate evidence.
Sources LA / Teton charging and plea coverage; Greenville death-week interviews; coroner/PD chronology.
Brother of Brian · 911 caller
Zach Hickerson
Documented Arrived after church for a lunch plan; discovery sequence participant; ABC FOIA release identifies him as the 911 cardiac-arrest caller (1:51 p.m. timestamp in coroner release).
Sources Coroner release; ABC FOIA 911 audio (14 Oct 2026); contemporaneous scene reporting.
Former partner · co-parent
Wladimir Klitschko
Documented Former partner; father of Kaya; primary-custody era after split (~2018) in public reporting.
Not claimed No documented edge tying Klitschko to Greenville supply, scene, or Hollywood-handler theories. Bio/custody only on this map.
Sources Parentage and custody-era press.
Daughter (minor)
Kaya Panettiere-Klitschko
Documented Daughter born 2014; named in public biographical record as child of Panettiere and Klitschko.
Boundary Minor — not a controversy subject; listed only for parentage/custody context.
Parents
Skip Panettiere · Lesley R. Vogel
Documented Father Skip and mother/former momager Lesley appear in career and death-week coverage; father confirmed Malibu rehab timing to investigators per reporting.
Sources Family statements in death-week / investigation coverage.
Manner / cause authority
Mike Ellis · Greenville County Coroner
Documented Issued Sep 22, 2026 media release: fentanyl + 4-ANPP + alprazolam + methocarbamol + quetiapine; manner accident; no trauma; coroner administrative file closed.
Sources Coroner media release (primary).
Lead local investigation
Greenville Police Department
Documented Lead local agency; stated after coroner release that the investigation was not closed; scene evidence (Adderall-labeled bottle with blue pills + straw, powder, syringes/vials) described in local TV reporting.
Sources WYFF / FOX Carolina statements and scene reports (Sep 2026).
Federal assist · LA focus
U.S. Drug Enforcement Administration
Documented Federal assist reported; Aug 25, 2026 search of Los Angeles residence in LE-source coverage; Sep reporting of Southern California counterfeit-drugs / dealer focus.
Open Unnamed SoCal pill dealer remains an investigative target in cited sources — uncharged as of that reporting.
Sources LE-source search reporting; CNN / TMZ probe stories (Sep 2026).
Investigative target (uncharged)
Unnamed Southern California pill dealer (alleged)
Open / labeled LE-source stories describe a longtime LA-area dealer and counterfeit / laced-oxy theory. No charged defendant is named in the sources assembled for the full guide.
Sources TMZ (14 Sep 2026); CNN SoCal probe story (15 Sep 2026).
Prior DV prosecution
Los Angeles County District Attorney’s Office
Documented 2019–2021 domestic-violence prosecution of Hickerson; dismissal then later multi-count wave and April 2021 plea disposition in public coverage.
Sources Contemporaneous LA court / press reporting.
Wyoming battery case
Teton County (Wyoming) authorities
Documented February 2020 Jackson domestic-battery arrest and later sentencing notes in local press.
Nashville co-star · visit context
Charles Esten
Documented (association) Local TV noted Esten’s Greenville Foundry show as possible visit context for the Aug 15–16 trip. Association only — not a supply or cause edge.
Memoir pseudonym
“Stella McAmis” (pseudonym)
Documented (memoir) Named in This Is Me: A Reckoning (19 May 2026) as the industry friend in yacht / Los Feliz introduction accounts; TMZ after death reported sources saying the name is fake and that she feared “dangerous” ex-friends.
Contested Online attempts to identify Stella as a specific public figure; see Diana Jenkins denial.
Sources Memoir text; Jay Shetty On Purpose interview (11 May 2026); TMZ post-death sourcing.
Named in rumor · on-record denial
Diana Jenkins
Documented Spokesperson denial (13 May 2026) that she is the yacht friend: “It most certainly is not Diana,” with threatened suit language in TMZ/Page Six coverage.
Contested The identification rumor itself. Denial is on the record; it does not by itself prove or disprove memoir events involving an unnamed friend.
Sources TMZ / Page Six denial coverage (May 2026).
Parallel supply cases (comparison)
Matthew Perry · Mac Miller
Comparison only Cited in the full guide as parallel fentanyl-supply prosecution patterns — not as participants in Panettiere’s death. Comparison edges teach supply-case literacy; they are not social ties.
Responders · FOIA custodian
Greenville County EMS
Documented ACLS response (~30 minutes) unsuccessful; FOIA custodian path for 911 audio later released via ABC.