101 California Street mass shooting

On July 1, 1993, gunman Gian Luigi Ferri carried out a mass shooting in the law offices housed at 101 California Street, killing eight people and wounding six before dying by suicide. The attack occurred inside the office tower in San Francisco's Financial District and is among the deadliest workplace shootings in U.S. history. The incident prompted reviews of building security and access procedures in downtown office buildings.