The Starfleet Criminal Investigative Service (or SCIS) is a Starfleet law enforcement agency. Their insignia was that of a Starfleet delta bisected by an old-style spyglass.

In 2377, the SCIS took a role in investigating the suspicious death of civilian archaeologist Jennifer Almieri. (CoE eBook: Ghost)

This group, taken by its name, would seem to most likely serve the same purpose as the United States Naval Criminal Investigation Service (NCIS).

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