We just barely won September on our first trial. However, there was a tragic turn of events (even more so than it is supposed to be I guess). We just started using the Operations Expert again after a longer hiatus. I played him and used him to look for the paranoid soldier (?). I found him in the second round by building military bases first (although thematically this didn't make much sense. I just opened a new base and then looked for the soldier there. )
So far so good. But then it turned out that
Spoiler (click to reveal)
I was the traitor (because we gave him the paramilitary escort upgrade). So I found the soldier early in the game just to be told by him that I'm the traitor. I really wonder why my character didn't kill him first. :/
Box 6 spoiler above.
So, gameplay-wise it was a great turn of events. Story-wise it didn't seem to make much sense, though.