Crime Solvers Central
CSC
263 Cases Solved. Advancing justice for missing persons, unsolved homicides, unidentified and unclaimed remains.
Felicity Sjostrom death by force case profile photo

Felicity Feli Ann Sjostrom

Case from Gillette, WY dated Jan 10, 2020

Victim Details

Feli Ann Sjostrom

Female

White / Caucasian

Gillette

WY

2020-01-10

36

Felicity Feli

Ann Sjostrom

Primary Suspect Deceased

07/06/2026

Case Description

Any updates on this case? Let us know!
Feli Ann Sjostrom was a 36-year-old White female from Gillette, Wyoming. Late on the morning of Friday, January 10, 2020, a relative discovered her and a man inside a Gillette residence, and police began working the scene to understand what had happened.

As investigators pieced together the moments that led to the deaths, Gillette Police said the evidence pointed to a domestic murder-suicide: police identified Richard Massman as the person who shot Sjostrom with a handgun and then turned ...
MEMBER ACCESS

Continue reading the complete case summary

Unlock the full case narrative for Felicity Feli Ann Sjostrom, 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 (10)

See any mistakes? Let us know!
  • Gillette Man Shoots Woman, Takes His Own Life
  • Casper Star-Tribune Online: Woman, man died in apparent murder-suicide in Gillette
    • MEMBER ACCESS

    Unlock 8 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

    Latest News

    View All

    Forum Posts (2)

    Does anyone know if Richard showed any signs of aggression or instability at work before this traged... ...Read More
    12/25/2024
    Has anyone been following the tragic incident involving Felicity Ann Sjostrom and Richard Massman? M... ...Read More
    01/11/2023
    MEMBER ACCESS

    Join the discussion for Felicity Feli Ann Sjostrom

    Read full forum posts and contribute to this case discussion.

    Unlock forum access — $3.97/month
    Already a member? Log in

    Other Cases from Gillette, Wyoming

    Haleigh Marie Meyers Martinez death by force case in Gillette, WY

    Haleigh Marie Meyers Martinez

    Death: Jan 20, 2025
    On January 20, 2025, at approximately 8:06 p.m., Gillette Police responded to reports of gunfire at t ...Read More