TheGodBen wrote:

That guy gets more character development than Ensign Mayweather, and we don't even see his face!
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I think Captain Boday and Vilix'pran get more character development than Mayweather, and we don't see their
anything.

At least their lives have
developments in them, or so we're told.
It's a shame we never got the informant's name. There's a Cardassian informant of Odo's mentioned in season seven's
Treachery, Faith and the Great River; Russol. It might be speculated that this is Russol.