I am re-reading Theft of swords now. It is really enjoyable to find the threads when you know what they are leading to.
Now I knew DeWitt is a Calis because it's begin with a De, same as DeLancey, That's one of the reason Hadrian believe him.
I also noticed Royce's anger when Winslow made comment about Elves.
BTW: Archie is really a good character.