Harry tilted his head a bit, just as surprised as she was to learn who his opponent had been. "I'm working on a case," he said, as though it were the most obvious thing in the world. "After dinner, I told you I had to follow up on a lead." He held up the crystal, still dangling from his hand. "My lead led me here."
He lowered the hand again, after noting that it was still directing him towards the back of the restaurant. "What are you doing here?"
It was starting to dawn on Harry, in the form of buckets of icewater hitting his veins, that he could very easily had hurt Dinah. He very easily could have killed Dinah. The realization was not improving his temper. "Stars and freaking stones, what if I'd had my gun out?!"