Emergency response
Arizona’s Family reported that firefighters responded that night near 10th Avenue and 16th Street. Villareal and Dustin Trease, 32, were removed from the home and died at the scene. [1]
What the follow-up established
In the August 29, 2025 report, Yuma police said Trease shot Villareal, set the fire and then died by suicide. That update changed the publicly reported account from a fatal house fire to a murder-suicide. Her family told the station they wanted her remembered for her generosity and compassion. [1]
Case timeline
- May 31, 2025Firefighters responded to the home. [1]
- August 29, 2025Police findings were reported publicly as a murder-suicide. [1]
What this record establishes
This account attributes the conclusion to police as reported by Arizona’s Family. It does not describe a criminal conviction. Villareal is the homicide victim counted here; the suspected shooter’s death is not added to the victim total.