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!
In the spring of 2001, a season of renewal and hope, a shadow fell over the community of Arvada, Colorado. On April 12, forty-year-old Mary Niemi was seen for what would be the last time. At the time of her disappearance, she was described as a white female, standing five feet six inches tall and weighing approximately 120 pounds. She had both brown hair and brown eyes. Mary was at a vulnerable point in her life, and her last known location was a place of refuge—she was seen leaving a Women in ...
MEMBER ACCESS

Continue reading the complete case summary

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

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

Last Seen: Apr 12, 2001

Links to Additional Sources (6)

See any mistakes? Let us know!
  • Missing Person / NamUs
  • Mary Niemi - Colorado Cold Case Files - Case Detail
  • MEMBER ACCESS

    Unlock 4 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