Hi, op here. The game I linked doesn't give 100 percent certainty, just a chance at asking the right questions. E.g. If you see player x talk to y, you might co

Hi, op here. The game I linked doesn't give 100 percent certainty, just a chance at asking the right questions. E.g. If you see player x talk to y, you might conclude they are collaborating. But then you ask x about it and she says after detailed discussion she worked out y was on the other team. Meeting places are also rather subject to interception.