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Case Description
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On August 7, 1977, a tragic and brutal crime occurred in Gaston, Oregon, resulting in the execution-style murders of Margo Compton, her 6-year-old twin daughters, Sylvia and Sandra, and her boyfriend's 19-year-old son, Gary Seslar. Margo Compton, a 24-year-old mother, had previously testified against several members of the Hells Angels in a prostitution trial in San Francisco, making her a target for retaliation by the notorious motorcycle gang.

The investigation into these murders was le ...Read More
Victim Details

Sandra Compton

Female

Gaston

OR

1977-08-07

6

Sandra

Compton

11/15/2025