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

Margo E. Compton

Case from Gaston, OR dated Aug 07, 1977

Victim Details

Margo E. Compton

Female

White / Caucasian

Gaston

OR

1977-08-07

24

Margo

E. Compton

07/03/2026

Case Description

Any updates on this case? Let us know!
On August 7, 1977, a tragic and brutal crime shook the small community of Gaston, Oregon, with the execution-style murders of Margo E. Compton, 24, her 6-year-old twin daughters, Sylvia and Sandra, and her boyfriend's 19-year-old son, Gary Seslar. This horrific event was deeply intertwined with the activities of the Hells Angels motorcycle club, particularly the Vallejo chapter.

Margo Compton had previously testified against several Hells Angels members in a prostitution trial in San Fran ...
MEMBER ACCESS

Continue reading the complete case summary

Unlock the full case narrative for Margo E. Compton, 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 (6)

See any mistakes? Let us know!
  • Hells Angels MC criminal allegations and incidents in California - Wikipedia
  • Oregon Jury Convicts Man in 4 Killings Linked to Hell's Angels (Published 1994)
    • 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

    Latest News

    View All

    Forum Posts (3)

    Has anyone else looked into the timeline of threats that Margo Compton received before her tragic mu... ...Read More
    12/21/2024
    Hey everyone,
    I've been digging into the Gaston murders and wanted to share some thoughts on the ... ...Read More
    10/30/2024
    Hi everyone,
    I've been researching Margo Compton's case, and I can't stop thinking about the th... ...Read More
    02/03/2023
    MEMBER ACCESS

    Join the discussion for Margo E. Compton

    Read full forum posts and contribute to this case discussion.

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

    Other Cases from Gaston, Oregon

    Sylvia May Compton death by force case in Gaston, OR

    Sylvia May Compton

    Death: Aug 07, 1977
    On a tragic day in August of 1977, the quiet community of Gaston, Oregon, was shattered by a brutal l ...Read More
    Sandra Compton death by force case in Gaston, OR

    Sandra Compton

    Death: Aug 07, 1977
    On August 7, 1977, a tragic and brutal crime occurred in Gaston, Oregon, resulting in the execution- n ...Read More