She wasn't even hiding. Sarah Sanderson was shopping.

Well, stealing technically, but was it really stealing when no one was there and the whole town was under your control?

(Yes. Yes, it was.)

She was flying to and fro in the empty mall, checking out the various stores, even trying on clothes and jewelry as she hovered there on her mop, humming to herself.

Clearly, this one was a bit big on the vanity, low on the brains.