206 Cases Solved. Advancing justice for missing persons, unsolved homicides, unidentified and unclaimed remains.
Case Description
Any updates on this case?
On a tragic afternoon in Grantsville, Utah, the life of Matthew James Haynie, a 14-year-old Caucasian male, was cut short in an act of devastating violence. On January 17, 2020, his own older brother, 16-year-old Colin Jeffery "CJ" Haynie, began a methodical and horrifying attack on their family that would span five hours. The dark events began around 1:00 p.m. when CJ shot and killed his mother, 52-year-old Consuelo Alejandra Haynie, and his youngest sister, 12-year-old Milan. He then waited fo ...Read More
Links to Additional Sources (9)
See any mistakes?Victim Details
Matthew James Haynie
Male
White / Caucasian
Grantsville
UT
2020-01-17
14
Matthew
James Haynie
Yes
11/05/2025

