"The prisoner cant do anything to me that I dont order her to"

[SteveMB]

But considering the very strict PG-13 line that the host wishes to maintain, I seriously doubt that there will be any overly kinky sex any time in the near future.

If Wanda is actually in cahoots with Jillian, it works as a defense in depth. On the surface, it looks like she's fulfilling her duties of torturing and interrogating the prisoner. If somebody thinks that she has a hidden agenda, the obvious inference is... well, the obvious.