What police reported
ABC15 reported that officers responded around 7 a.m. and found two people with gunshot wounds. Both were transported to a hospital and later died. The report identified Davalos as the victim and Matthew Mathis, 27, as the suspect. [1]
Location and investigation
Arizona’s Family placed the response in a residential area near the two roads. Its August 30 report, updated August 31, said police were investigating an apparent murder-suicide. The published intersection is an area description; the sources reviewed do not establish a precise street address. [2]
Remembering Shirley
Rucker’s Mortuary published an obituary under the name Shirley Davalos, with dates of January 28, 1998, and August 30, 2026. The obituary is linked below for readers seeking the family’s memorial rather than additional crime reporting. [3]
Case timeline
- August 30, 2026Police responded to the shooting around 7 a.m.; both injured people later died at a hospital. [2]
- August 31, 2026Arizona’s Family’s updated report continued to describe a murder-suicide investigation. [2]
What this record establishes
The reviewed reports do not establish a motive or describe the relationship between Davalos and Mathis. The police characterization is not a court conviction. Only Davalos is counted as a homicide victim in this directory.