28/09/2026
For over 40 years, investigators didn’t know his name.
In 1977, human remains were discovered inside an abandoned septic tank near Tofield, Alberta.
The unidentified victim became known as “Septic Tank Sam.”
Decades later, in 2021, genetic genealogy finally revealed his identity:
Gordon Edwin Sanderson.
But solving his identity didn’t solve the murder.
More than four decades later, one question remains:
Who killed Gordon Sanderson?
🔎 His identity was found.
⚖️ His killer remains unknown.