Thinking fast, Ceusharath broadcasts to everyone but the Squirrel(s?) in the suit, "Relax, I have an idea."
Then only to the potential minion, "Cleaning up after sacrificial murders? Wow, your old bosses must have been terrible. I was thinking more help carry whatever loot we find, fetching some booze, and maybe help keep an eye on the less intelligent of the group."
He than removes his ring of disguise, hand's it to the squirrel golem, and sends "Put it on. I know how to catch fakes, and this sould help remove some of the "tells" you missed."