So, at the beginning of Way of Kings, Kaladin's in the slave wagon. He sees an unusual cremling after the highstorm.
*enthusiastic* He does!
Is that one that can see that he is a budding Radiant?
Let's just say that that cremling is more than it appears.
I'll give you a RAFO card, because I didn't fully answer, but you got kind of an answer. You'll be able to... Keep your eyes out for people saying, "That cremling looks odd."