[i]These people are going to be like dogs. If I let them in and feed them, they'll come to expect it.[/i] 
The thought was not a welcome one, but Irene let it pass. She'd kick them out after a day, and if they refused to leave, she supposed she would have to figure out a clever way to murder them in their sleep or something. As necessary as it might become, however, she still didn't find it a pleasant thought to kill people who weren't brain-dead bloodthirsty zombies. 

She crossed her arms and scanned the cacti with her eyes. Whoever was hiding in there, in the event that it was yet [i]another[/i] person and not an injured animal that would probably go well with butter and salt, they would likely be cut up pretty nicely upon leaving the depths of the natural fence.