A domestic dispute at a family home in Avondale, Arizona, ended with the fatal shooting of 50-year-old Ricardo Lopez Sr. on Saturday, November 20, 2021. The confrontation began as a verbal argument between Lopez Sr. and Terron Brown, who was dating Lopez Sr.’s daughter. During the incident Brown produced a handgun and fired multiple shots. Lopez Sr. was struck and later died at a hospital; his daughter, identified as Rosa Almanza, was also shot but survived with non-life-threatening injuries.

Avondale police responded to multiple 911 calls just after 8:30 p.m. and found both victims with gunshot wounds. Investigators located Brown in the neighborhood hours later; he was in possession of the infant child and the handgun believed to be the weapon used and was booked on charges including murder and aggravated assault.

What details about that night or the people involved might help explain how the dispute escalated into deadly violence?