Parents of San Diego Gunman Sue Mental Facility Over Ignored FBI Warnings

Parents of Caleb Vazquez, the 18-year-old who carried out a shooting at the Islamic Center of San Diego in May 2026, have filed a lawsuit against Park Mental Health Treatment of San Diego. They allege the facility ignored a direct FBI warning about their son's disturbing dark web posts about school shootings. AP News reported that Vazquez walked out of the facility without permission just hours before he and a 17-year-old accomplice killed three people and then took their own lives.
Vazquez had been hospitalized for three days in January 2026 after telling a classmate he wanted to carry out a school shooting. The Independent reported that the FBI warned his parents days before the attack about his online activity, but the mental health facility allegedly failed to respond. The lawsuit raises critical questions about whether treatment providers have a duty to warn and protect when federal law enforcement flags a patient as dangerous.
Federal law enforcement discovered Vazquez making alarming comments on the dark web about carrying out a school shooting. The FBI contacted his parents directly to alert them to the threat. MDJ Online reported that this warning came just days before May 18, 2026, when the attack occurred. His parents then informed the staff at Park Mental Health Treatment of San Diego about the FBI's concerns.
Despite this warning, the lawsuit alleges that the facility took no additional action to secure or monitor Vazquez. On May 17, 2026, Vazquez walked out of Park Mental Health's Normal Heights facility without authorization. No one stopped him or alerted law enforcement that a patient flagged by the FBI had left the premises unsupervised.
Vazquez had been diagnosed with depression and psychotic episodes. He received treatment at Park Mental Health after his January 2026 hospitalization, which followed his threat to carry out a school shooting at his school. This three-day hold should have flagged him as a high-risk patient requiring close monitoring and secure conditions.
Beyond his mental health crisis, Vazquez had become deeply engaged with online extremist content that glorified mass shooters. The Independent noted that his parents claim he was "brainwashed online" while struggling with serious psychiatric illness. The combination of untreated psychotic episodes and radicalization created an extremely dangerous situation that the facility should have recognized.
On May 18, 2026, Vazquez and his 17-year-old accomplice Cain Clark opened fire at the Islamic Center of San Diego. They killed security guard Amin Abdullah, Mansour Kaziha, and Nadir Awad. Both shooters then took their own lives at the scene, ending the rampage.
The lawsuit seeks to hold Park Mental Health Treatment accountable for its failure to respond to the FBI warning, its lack of secure protocols, and its inability to prevent an unstable, armed 18-year-old from walking out unnoticed. The case reflects growing legal pressure on healthcare providers and parents to intervene when mass shooting threats emerge.
This lawsuit arrives as courts increasingly scrutinize whether parents, school officials, and healthcare providers should face legal liability for mass shootings. Recent convictions of parents who supplied guns to teenage shooters—such as Jennifer and James Crumbley—have shifted attention to how adults around dangerous young people can be held accountable.
The Vazquez family's case tests whether mental health facilities have a legal duty to warn and protect the public when federal law enforcement flags a patient. The outcome could reshape how treatment providers handle high-risk patients and respond to FBI warnings, setting a precedent for facilities across California and beyond.
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