Teamup Traitor Item Suggestion: T Mark and Database Eye

[UrsulaMejor]

I just realized that this also paves the way for something really dirty and dastardly: Blackmail. Threaten to reveal the identity of your fellow traitors unless they give into your demands. This exponentially increases the potential for inter-traitor relationships, though maybe in a good way? Maybe not? There's no real way of telling for sure without throwing it in there and seeing what happens.

but how to reveal that someone is a traitor without exposing yourself...