206 Cases Solved. Advancing justice for missing persons, unsolved homicides, unidentified and unclaimed remains.
Case Description
Any updates on this case? Let us know!
In the quiet community of Surprise, Arizona, a heart-wrenching scene unfolded in May of 2024, forever altering the lives of a local family. Six-year-old Lydia Mater, a young girl, became the victim of a devastating act of violence that also claimed the life of her seven-year-old brother, Alex. The tranquility of their neighborhood was shattered by what authorities would later describe as an apparent murder-suicide.

The series of events leading to the tragic discovery began when the childr ...Read More
Victim Details

Lydia Mater

Female

White / Caucasian

Surprise

AZ

2024-05-20

6

Lydia

Mater

Primary Suspect Deceased

11/27/2025