C429 Angry snake lady

How did this person even know about the secret mission? This kind of thing was simply impossible, at that time, other than the four of them, the commander and Adam, there was no one else present. What was going on?

They did not look like killers, but they looked like idiots.

"You must be curious about how I know. In fact, it's very simple, and I'll tell you in a merciful manner