Key Facts

• Two teen gunmen filmed themselves during Monday’s attack at the Islamic Center of San Diego, killing three people.
• At least three people watched the attack live through video calls on apps called Signal and Discord.
• One viewer told another to call the police, but authorities were not alerted in time.
• The attackers shared hateful messages against Jews, Muslims, women, Hispanic people, LGBTQ+ individuals, and others in a manifesto.
• The two shooters called themselves "sons" of a 2019 Christchurch mosque shooter who also livestreamed his attack.
• One viewer, “Otto,” may have been watching from outside the United States, possibly Albania.
• The shooters had met online and were active in extreme online groups promoting hate.
• Discord preserved information about the attack and gave it to law enforcement to assist with investigation.