Unaccounted Grenade After LASD Explosion: Investigation Update

Initial Discovery and Response

• 📍 Deputies responded to a Santa Monica residential complex after a resident reported finding two hand grenade-type devices in a tenant storage unit.
• 🔍 Preliminary investigation and X-rays by sheriff's arson explosive detail detectives suggested the devices were inert.
• 🤝 Assistance was requested from the Los Angeles Police Department's Bomb Squad, LA County Fire Department, FBI, and ATF.

ATF Investigation and Findings

• 💥 The ATF assumed lead on the post-blast investigation and determined that one of the two grenades detonated on Friday.
• ❓ A second grenade is unaccounted for at this time, prompting an extensive search of the training facility.
• 🕵️ The ATF will be taking full control of investigating the whereabouts of the missing device.

Ongoing Investigations and Support

• 💔 Sheriff's homicide detectives are continuing their investigation into the deaths of the three deputies.
• 🧠 Mandatory psychological visits have been directed for all involved personnel, including first responders.
• ⚠️ An independent after-action review of policies, practices, and equipment for the arson explosives detail has been called for.
• 🚨 The public is urged not to touch any suspected explosive devices and to contact 911 immediately.

Public Safety and Information

• 📢 Sheriff Robert Luna emphasized that all future explosive devices, inert or not, will be treated as live.
• 🤝 The ATF and LASD are working diligently to find answers for the victims' loved ones.
• 🚫 Investigators are not releasing specific details about the type of grenade or the circumstances of the incident to ensure accuracy, awaiting a final report expected in approximately 45 days.
• ⚠️ There is a distinct possibility that the second grenade could have exploded, but its current location is unknown.