certainthings

I'm fairly certain Sally was instrumental in him faking his death. He said he needed her and her expertise is in corpses. With Irene Adler having successfully faked her death, I bet Sherlock figured out how she did it. And people brought up how John was distracted by a biker who happened to come by just as Sherlock did his half-gainer off the rooftop. He never saw who or what fell, just the aftermath of a bloodied face that resembled Sherlock's when he reached the body on the sidewalk.