"So, be careful, okay Sherlock? John?" Lestrade said, walking through the corridors of the police HQ. John and Sherlock nodded. Sherlock hailed the first cab and got in, instructing the driver to take him to 221b Baker Street. John got in after him and smiled at him.

"So, what do you think about the new criminal genius? "He asked, conversationally. Sherlock tilted his head,

"It's probably a wanna-be criminal, taking after Moriarty." John interrupted,

"Or, he's well-known in their circles, and Moriarty is the wanna-be, this would make the criminal a lot more ruthless." Sherlock looked at him, slightly strangely.

"That would be bad, if this new one is more ruthless then Moriarty-"he was cut off by the cab stopping out side 221b. John paid the cabbie and got out. He unlocked the door, smiling a little as Sherlock carried on babbling behind him. He led Sherlock up to their flat, not calling out to Mrs. Hudson. He went straight into the kitchen and started making a cup of tea. Sherlock followed him and started clearing the table of scientific equipment. He sat down and carried on talking. When Sherlock's tea was finished being made, he got up and picked it up. He smiled at John over the rim of his cup.

"so what do you think?" asked Sherlock, eyebrows slightly raised.

"I think…" he started slowly, and then he turned… and slid the bread knife he was holding into Sherlock's stomach.

Sherlock gasped, falling to the ground, panted slightly, he clutched the handle jutting out of his stomach. John towered above him, menacingly "Two words, Sherlock," he spat coldly. They sounded like gunshots in the room.

"Fooled. You."

Another AU. Sorry. I wasn't going to write this one, but I kinda wanted one were John was evil.

Again sorry, if you didn't like it.

(I liked it, but hey)