Odd. <img src="/ubbthreads/images/graemlins/confused.gif" alt="" />
Look at the screenshot, maybe you haven't been in one room. <img src="/ubbthreads/images/graemlins/smile.gif" alt="" />

[Linked Image]

Maybe he's very near wall and you can't see him, use your minimap to spot if there's any green cross in his room.