Board Thread:False Info and Speculative Discussion/@comment-25176701-20150818031151/@comment-13965604-20150821015845

Something can smell off, but that doesn't mean they recognized what it was. The show has never indicated that they can lie detect via smell, only heartbeat. They also made a point to mention him smelling off earlier this season too, before Donovan. Remmber? "Chemo signals, it's stress, I know you guys keep up on me that way" or however he worded it, that's just a paraphrase.