Crime Solvers Central
CSC
263 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 summer evening in East Glacier Park, Montana, the Siau family was out for a walk when their lives were irrevocably shattered. McKenzie Siau, a 1-year-old White/Caucasian female, was with her family on July 17, 2022, when a man deliberately drove his pickup truck into the group. The driver, identified as Derick Amos Madden, then crashed his vehicle into a tree, emerged with a shotgun, and began a horrific assault on the family.

Madden first shot and killed 39-year-old David Siau, McKe ...
MEMBER ACCESS

Continue reading the complete case summary

Unlock the full case narrative for McKenzie Siau, all available source links, additional videos, and member discussions.

Unlock Full Case Access — $3.97/month
Cancel anytime.
Already a member? Log in

Links to Additional Sources (4)

See any mistakes? Let us know!
  • KECI: Sheriff's report details attack that left 3 dead, 2 injured in East Glacier
  • More details released in East Glacier Park shooting. GoFundMe ...
  • MEMBER ACCESS

    Unlock 2 additional sources

    View the complete collection of available reporting and reference links for this case.

    View All Case Sources — $3.97/month
    Cancel anytime.
    Already a member? Log in