“I’ve been online and looked at all the theories,” Moffat told the Radio Times. “And there’s one clue that everyone’s missed.” He added: “It’s something that Sherlock did that was very out of character, but which nobody has picked up on.”
Now I must rewatch every episode over and over until I find it.
Interesting… Well, I’m watching it through for the first time so I’ll let you know if I see something ood odd.