207 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 early morning hours of October 15, 2020, a quiet street in Arivaca, Arizona, became the scene of a tragedy that would claim the life of 55-year-old Monica Gilkey. Around 1 a.m., Pima County Sheriff's deputies were called to the 17000 block of West 3rd Street following reports of a shooting. Upon their arrival, they discovered a grim scene. Another woman, 33-year-old Kaycie Mattias, was found deceased at the scene. Monica Gilkey, who was Kaycie's mother, was found with life-threatening inj ...Read More
Victim Details

Monica Gilkey

Female

Arivaca

AZ

2020-10-15

55

Monica

Gilkey

Yes

11/30/2025