Moran refuses to talk to Holmes and tells the cops to take him away.
Holmes then does his usual summing up routine, which is now featured on every detective show on TV. Holmes tells us all about the fancy gun that Moran used and says that he killed Ronald Adair with it. Then he tells Lestrade to take credit for this case since he doesn't want his involvement to be known.
Watson and Homes return to the Baker Street house.
Mrs. Hudson takes the shot-up wax dummy away. RIP wax dummy.
The two men chat about Moran, and Holmes gives us a low-down of Moran's personal history.
He was a gambler and Holmes theorizes that he was cheating and Adair threatened to expose him. So Moran killed Adair before he could talk.
With Moran in jail, Holmes can now safely return to life and resume his detective business in London.
Fun with Maps: Check out Holmes's address on a map! Go here.
Also, here's an awesome floor plan of Holmes's place.