[The atmosphere in the refinery is definitely something Keith picks up on, but for now he turns to Kino to respond.]

But someone would have to be leaving those clues for them to find in the first place. Someone other than the Sergeant who can vanish at will. [A beat.] Gabe maybe....

We still haven't figured out who's been planting clues for us to find here, for that matter.

[Which is... annoying.]

You getting the feeling the people are tense about something?