Four people died. ONYX covers this with factual care. Names of victims have not been confirmed in available reporting as of this publication; ONYX will not publish unconfirmed names. The circumstances are under active investigation; ONYX does not speculate on motive or circumstances before investigators make findings.

WHAT HAPPENED  

A mass shooting in Gretna, Jefferson Parish, Louisiana killed four people and injured additional individuals on Saturday, according to CBS News. Gretna is a city across the Mississippi River from New Orleans in Jefferson Parish. Law enforcement has responded and the investigation is active. The shooter’s status — in custody, at large, or deceased — is not confirmed in available reporting.

WHAT IS NOT KNOWN  

As of available reporting: the victims’ identities; the location’s specific type; the circumstances of the shooting; the shooter’s identity and status; and the motive. ONYX documents the confirmed facts and explicitly notes what is not yet confirmed to prevent speculation from filling the information gap.

Four people died in Gretna. Their names and lives will be confirmed when investigators identify them. ONYX waits for that confirmation.

WHAT HAPPENS NEXT  

▸  Jefferson Parish Sheriff’s Office investigation — circumstances, shooter identification, and motive

▸  Victim identification — ONYX will report confirmed names

▸  Law enforcement response assessment — whether additional individuals are sought

CONFIDENCE: HIGH

Four killed in Gretna Jefferson Parish Louisiana mass shooting on Saturday is from CBS News confirmed reporting. Specific identities and circumstances are not yet confirmed.

SOURCES

▸  CBS News — Gretna Louisiana mass shooting, four killed, August 23, 2026