206 Cases Solved. Advancing justice for missing persons, unsolved homicides, unidentified and unclaimed remains.
Case Description
Any updates on this case? Let us know!
On a day meant for holiday cheer, December 26, 2000, a horrific act of violence shattered the community of Wakefield, Massachusetts. Inside the offices of Edgewater Technology, a 48-year-old woman named Rose Marie Manfredi was tragically killed in a mass shooting. She was a dedicated employee in the payroll department, going about her workday when the unthinkable happened.

The festive season turned into a scene of unimaginable terror when her coworker, Michael McDermott, entered the build ...Read More
Links to Additional Sources (2)
See any mistakes? Let us know!
Victim Details

Rose Fredi

Female

Wakefield

MA

2000-12-26

48

Rose

Fredi

11/08/2025