How to ruin an antagonists round: the basics

[Lantern]

when i play AI, and i see someone spawn a traitor item, i like to put everyone on edge by saying "hmmm, that thing looks dangerous" or smething like that that tells no one what it is, who has it, or where they are, but does make the traitors think on their feet. Also, when someone asks me what it was and who it was, i plead ignorance with "unidentified item", and "unknown had it" even if i saw exactly who it was.