On Wednesday, July 15, 2026, closing arguments began in one of Sacramento’s most challenging criminal cases. Carlos Reales Dominguez stands accused in the 2023 Davis stabbings that killed two community members: UC Davis student Karim Abou Najm and Davis Breaux, a man beloved in his neighborhood as the“Compassion Guy.”A third victim, Kimberlee Guillory, survived serious injuries from the attacks. What makes this case so difficult isn’t the question of who committed the crimes—evidence has established that—but whether Dominguez’s severe, untreated schizophrenia and cannabis use mean he was experiencing psychosis rather than acting with malice and intent to kill.
The prosecution argues that Dominguez’s heavy cannabis use worsened his schizophrenia, leading him toward the violent attacks. The defense counters that his untreated mental illness created a psychotic episode during which he lacked the conscious intent required for a first-degree murder conviction. That’s actually why we’re in a retrial: the first jury couldn’t agree, causing a mistrial and the subsequent dismissal of first-degree charges. Now Dominguez faces a retrial for second-degree murder, and the jury must wade through one of criminal justice’s thorniest questions: How do we balance accountability with compassion when severe mental illness is clearly a factor?
For Davis residents and the broader Sacramento community, this case represents more than a single courtroom drama. It’s a conversation about whether our region is doing enough to identify and treat people in mental health crisis before tragedy strikes. The jury will deliberate once closing arguments conclude, and their verdict may set a local precedent for how courts handle cases involving untreated psychiatric conditions. What’s your take—should mental illness factor into criminal responsibility, or is the defendant’s culpability unchanged regardless of his condition?
About the Author
Andrew Johnson
Andrew Johnson is a contributor to LocalBeat, covering local news and community stories.






