207 Cases Solved. Advancing justice for missing persons, unsolved homicides, unidentified and unclaimed remains.
Case Description
Any updates on this case?
On August 30, 2023, Sierra Alvarez, a 34-year-old woman from Menomonee Falls, Wisconsin, was shot and killed in Brookfield. The incident occurred at a residence near the intersection of Pepper Lane and Apple Tree Lane. Police responded to reports of a shooting and found Alvarez with fatal injuries. Despite immediate medical assistance, she was pronounced dead at the scene.
The suspect in this tragic case was identified as Brian McAvoy, a 35-year-old man who had been in a relationship with ...Read More
The suspect in this tragic case was identified as Brian McAvoy, a 35-year-old man who had been in a relationship with ...Read More
Links to Additional Sources (11)
See any mistakes?Victim Details
Sierra Alvarez
Female
Black / African American
Brookfield
WI
2023-08-30
34
Sierra
Alvarez
Primary Suspect Deceased
11/11/2025
Forum Posts (3)
I recently came across the news of Sierra Alvarez's tragic death, and I can't stop thinking about he... ...Read More
07/05/2024
07/05/2024
Has anyone else been following the Sierra Alvarez case in Brookfield? It's so deeply unsettling to s... ...Read More
01/11/2024
01/11/2024
I want to talk about the impact this tragedy has had on Sierra's local community in Menomonee Falls.... ...Read More
10/20/2023
10/20/2023
