Sigrún: The Ceanska word for “insects” can also be slang for a secret tap. When Sir Thorn worked it into his speech, it could have been a coded signal.
Sigvard: That was our first thought. And we scanned the beryl for all known fingerprints of Ceanska spell hacking. Sorry, Captain — we found nothing.
Sigrún: So, either Ceanska intelligence has made a major leap in untraceable spell techniques . . .
. . . or your department coded a dud.
Sigvard: The very idea! . . . Obviously we checked for that too.