Foster was about to shoot down her offer to 'protect' his use of the lake--vehemently--when she pins him with a stare and a question that confuses him enough to interrupt.

It takes him a second to figure out what she's asking; the fact that the vampire was attacking Ginko is (rather tellingly) not linked to his actions. But--well, there aren't that many vampire incidents involving Ginko to prune through. He blinks, slowly. People know about that?

"--yes, that was me."