[Oz follows her direction, moving to the empty slots and standing near them. Were this a life or death situation he might have been more animalistic in his scenting the area. But as it is, he just inhales slowly several times, separating the scents. He knows which one to ignore, and he can tell which ones among the rest have been here more recently through the strength of the scent.]
Okay, there's one that stands out. I think I can track it.
[And having had bad experiences in the past with people getting freaked out, he looks back to Kohran.]