FOLLOWING THE THREAD · 2 RECORDED EPISODES · 1 SEASON
Thumbprints
Fingerprint impressions requested for documents.
FOLLOW THE EVIDENCE
The episodes
Thumbprints · 1 recorded season
In episode order. Images illustrate episodes, not the documented scene.
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FIRST RECORDED OCCURRENCE · S18 E01
Frank Marries a Corpse
IMDb7.8Jack demonstrates the inked thumbprint for the agreement.
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Recorded occurrences only. Earlier or additional uses may exist in episodes still being documented.