Rex Lewis. That's interesting, and gives her a few more ideas about the direction this conversation is going to move in - mostly, at least - and after debating it for a while, she caps and pockets the syringe, moving back enough to give him space to come down. On a strictly practical level, it's almost certainly going to be easier to hear him out and deal with him than figure out what to do with a dead body.

She isn't interested in indiscriminately killing anyone. It's sort of counterproductive, from where she's standing.

“Possibly not,” she grants him, removing her gloves now that she's relatively sure this isn't going to devolve into a brawl. (She'd have hated to ruin them.) “I assume you were planning to come back and speak to me. We can do that now.” In a tone that's slightly and run along: “Kitchen.”

It seems like a safe bet that he doesn't need to be told where that is.