That's interesting... and very disturbing, that they feared them so much that their first instinct was to react with lethal force. It doesn't speak well to what may have happened elsewhere as well.

[There's a pause. He wasn't on the mission to Segretar so he doesn't know of the recently converted Third Party members from the Malnosso security forces... but he senses something there.]

That could be very well be it, especially if the evolution wasn't a one time thing, and more a continual process. It would explain the fear of the hybrids very well if so.