Ummm, both I guess?  Let me know if you'd like me to roll again (or roll for me: +13 with Perception aspect, +9 while scenting).<br/><br/>She helps with the door, takes a 5' step into the room and examines it from there, then back into the hallway to look around, then sniffs in the hallway and - if she doesn't detect anything to track down - goes back into the room with scent still on.<br/><br/>Didn't write it all in, as she's not going to announce it, but it occurs that a small or invisible hooligan could be planting the poison in front of us, rather than its just being conveniently recently applied everywhere we go.