206 Cases Solved. Advancing justice for missing persons, unsolved homicides, unidentified and unclaimed remains.

Catharine Newstrom

Death by Force
Case Description
Any updates on this case? Let us know!
On a hot July afternoon in 1990, the quiet of a Billings, Montana, coin shop was shattered by violence that claimed the life of 47-year-old Catharine Newstrom. On July 31st, she and her employer, 60-year-old Charles William Sparboe, were found shot to death inside the Treasure State Silver & Gold coin shop. Both had been shot in the head with a. 22 caliber handgun in what was also a robbery, with an estimated $54,000 in coins and gold stolen from the establishment.

In the days leading up ...Read More
Links to Additional Sources (5)
See any mistakes? Let us know!
  • Charles T. Sinclair - Wikipedia
  • Charles T. Sinclair - Wikipedia
    •     ...View 3 additional sources
    Victim Details

    Catharine Newstrom

    Female

    Billings

    MT

    1990-07-31

    47

    Catharine

    Newstrom

    Yes

    11/05/2025

    Forum Posts (1)
    I've been following the tragic case of Catharine Newstrom and Charles Sparboe, and my heart goes out... ...Read More
    07/23/2024
    Other Cases from Billings, Montana

    Lenita René Divine Goes

    Death: Oct 24, 2020
    On a tragic day in October 2020, the life of a young mother was violently cut short on the Crow Indi d ...Read More

    Dacey Cheyenne Moore

    Death: Dec 06, 2020
    In the early morning hours of December 6, 2020, the life of 17-year-old Dacey Cheyenne Moore, a Cauc u ...Read More

    Natalie Hertz

    Death: Apr 02, 1992
    On the evening of April 2, 1992, in Billings, Montana, a tragic event unfolded that would cut short t ...Read More

    Gwen L

    Death: May 14, 2022
    In what was initially believed to be a suicide, the death of Gwen Ann Marshall, a 48-year-old White/ e ...Read More

    Kayla Jeanette Kinder

    Death: Mar 22, 2015
    Kayla Jeanette Kinder, a 22-year-old White woman, was shot in the head inside a Billings Heights hom o ...Read More

    Tionna Rowland

    Death: May 12, 2019
    In the spring of 2019, the life of a vibrant and loving 15-year-old female named Tionna Rowland, a p ...Read More