Lois was certainly taken by surprise. She looked over the railing at the man who passed by underneath. She wasn't going to lie about what she was doing. Not unless she had reason to lie. Which she didn't.
"Just looking into that," she gestured to spot on the side of the building.
"You don't, by any chance, work in this building, do you? Or have any idea what might have happened there?"
It was a longshot, but the City seemed to arrange or garner more coincidences then she'd ever thought possible so it couldn't hurt to ask.