Overview

• Cal Fire’s State Fire Marshal’s Office and ATF agents joined Sacramento and Yolo County bomb squads to search a San Francisco property tied to CEO Kenneth Chee.
• The operation represents the shift from recovery efforts to criminal inquiry following the July 1 explosion that killed seven workers in Esparto.
• Yolo County officials continue DNA testing to confirm the identities of the seven warehouse workers who died in the display-grade fireworks blasts.
• Investigators are probing unpermitted storage of professional-grade fireworks in unauthorized buildings beyond the licensed metal containers.
• Kenneth Chee held state-level fireworks permits despite being denied a federal license over a prior felony, highlighting gaps in regulatory oversight.