Mycroft knew about the first. He'd been there, he'd been asked to appear there, to question Moriarty himself. Quid pro quo. Tit for tat, in the criminal's words.

He hadn't revealed anything about his brother that he wouldn't have said himself. In return, Moriarty had said nothing that could lead to a useful arrest. They had reached an impasse. From that to Sherlock jumping off a roof, was a bit of a strech and not one Mycroft cared to believe.

"Sherlock?" He asked with a little snort. "I'm afraid you've been mislead, doctor. Sherlock's not the jumping kind."