The evidence inventory lists a fibre sample that does not appear in any lab report. Where did it go?

Unsolved homicide from 1989 in Sedgwick County, KS. The file remains open and contributors are re-examining the forensic lab record.
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Body discovered near Grantham; the county opens a homicide investigation.
Initial canvass closes without a named suspect; the case goes inactive.
A retired detective releases his field notes to the family.
Ledger contributors reopen the evidence inventory and index the public record.
The evidence inventory lists a fibre sample that does not appear in any lab report. Where did it go?
County weather records contradict the stated ground conditions in the scene report. That changes the tyre impression reading.
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