Transcript
1: In the entrance way leading to the portal control room, scientists in hazmat suits carry bodies in black bags on stretchers. Julia is sat against a wall.
2: Julia, on the floor and still in the space suit, sits forlorn and silent.
Suit intercom: Julia? Julia?
3: Julia moves just enough to hit some button on her wrist.
Julia: Jackson…
4: Security cameras show the scientists laying out the bodies in a side room. Little pop-ups identify two figures as Dolarhyde and Samson.
Jackson: Looks like there’s one last loose end to tie up, so, if you’re up for it…
5: One camera zooms in on one of the figures. The pop-up merely reads “????”
Jackson: I have a final mission for you.

I’m going to guess that Julia *doesn’t* know that Melissa has “hatched” from one of the samples. Nor does anyone else in this facility, including Agent Jackson, at least for the moment.
We still don’t know what prompted Xijo to go observe that particular sample yet, either.
“You killes my girlfriend, dude…”