The bus terminal manifest for that week survives in a transit archive. It has never been cross-checked against the suspect list.

Unsolved homicide from 1973 in San Diego County, CA. The file remains open and contributors are re-examining the forensic lab record.
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Body discovered near Old Mill; the county opens a homicide investigation.
Initial canvass closes without a named suspect; the case goes inactive.
A tip prompts a limited re-interview of two witnesses.
Ledger contributors reopen the evidence inventory and index the public record.
The bus terminal manifest for that week survives in a transit archive. It has never been cross-checked against the suspect list.
The original canvass skipped the four houses on the far side of the tracks. Those residents were never formally interviewed.
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