William Keckler, 60, was shot and killed at his Peoria, Arizona, home on August 28, 2023. The shooting occurred in the afternoon inside a gated community near Jomax Road and 80th Avenue and also claimed the life of his 57-year-old wife, Tammi Keckler.

According to reports, an argument over finances and household contributions involved Tammi’s 33-year-old son, Zacchary Delane Sumrall, who lived with the couple. After being told to pack his belongings and leave, Sumrall reportedly retrieved a handgun from his bedroom; when William followed and asked for the weapon, Sumrall opened fire, striking William multiple times. Hearing the shots, Tammi began to scream and was later shot several times downstairs.

Sumrall called 911 and told the dispatcher he had just shot and killed his parents and had performed execution shots. He left the unloaded firearm on a table near the front door, walked outside, and surrendered to Peoria police. Officers found both victims inside the residence with fatal gunshot wounds; Sumrall was arrested and later told investigators he had mental health issues.

Did anyone in the neighborhood see or hear anything unusual that afternoon?