Harry felt anger bubble inside him the same way it did whenever his aunt said anything horrible about his mum and dad. Although he had no way of proving that anything she said wasn't true, he knew it wasn't. He just wouldn't believe it. It was the same now.
The shaking wand in his face should have frightened him, but it only served to annoy him even more. He hadn't seen the real damage wands could do. If this man wanted to turn him into a pig, well just let him try. He jumped off the wall and glared up at the stranger. "I said, I don't know what you're talking about," he said coldly. "Don't say stuff about my parents. And there's no point going off at me. I haven't done anything."