Amin Abdullah, a 51-year-old security guard, was killed during a shooting at the Islamic Center of San Diego on Monday, where two teenagers opened fire, resulting in the deaths of three men. Police Chief Scott Wahl stated that Abdullah's immediate response to the threat, including engaging the shooters and initiating a lockdown protocol, likely saved many lives, particularly those of approximately 140 children present in the mosque. The attackers, aged 17 and 18, were later found dead from self-inflicted gunshot wounds. The other victims included Mansour Kaziha, 78, a mosque elder, and Nadir Awad, 57, who lived nearby. Wahl noted that without Abdullah's intervention, the situation could have been far worse. Imam Taha Hassane referred to the victims as 'martyrs and heroes,' highlighting Abdullah's dedication to community safety. The FBI is treating the shooting as a hate crime, as the attackers appeared to be radicalized online. Abdullah's daughter remembered him as a loving father and protector, emphasizing his commitment to safety and community.