"That's my scarf." I look at the corpse then back at John.

"What?" He says walking over to inspect the body.

"Are you deaf?-" I look at John and approach the dead waitress holding the small cloth in her hand. "I mean, that scarf she's holding is mine. I can tell by the seam woven onto it, my gran mum gave it to me."

Sherlock walks to the waitress and pulls out a small magnifying glass; studying her every inch, he talks to John about how she was killed. It only takes a couple of minutes for him to retreat and walk up to Lestrade.

"Why are you wasting my time with something so simple Geoffrey? She was killed by a stab wound to the abdomen, the smell of alcohol says that she was at a bar last night; the name tag also declares that she worked there so-"

"Her name's Olivia Faustus, 27-year-old, former military personnel," I say as they snap their attention to me.

"How did you know that?" Greg walks up to me and hands me a file. "-It wasn't written on here, how would you know?"

"I may have - actually, that's not the point right now. John and I were here last night, drinking, and-" Sherlock walks past us briskly.

"Thanks for the input, but I think I'll take on this case. Goodbye." He takes out his phone and starts texting.

I smile, "Well I hope Sherlock has fun wasting his time for suspects, I already know who it is."

"WHAT?!" Greg stares dumbfounded. "How? Are you sure you know who?"

"Yup, except that I don't know their name." I take out the sandwich from my bag and begin eating.

"Lily!"

"What. Oh, yeah, dead body and case stuff. Oops." I put the sandwich back.

"So how do you know the killer already?" John asks, still examining the body.

"I don't just know him, I talked to him yesterday. And maybe a few years ago too." I take out my phone and punch in a number.

"What?!" John and Greg both yell.

"Henry collect the scarf and blindfold and bring them to 'you know where' I'll be expecting them in a few." I pat Greg's shoulder and leave.

"Agent Medel wait, how do you know him?!"

"I don't know him exactly but I'll figure it out eventually. Also, it's Detective Medel, I'm not working with you so that you can be saying my title wrong." I smile and walk out of the crime scene.

"So, does that brain of yours know who did it?" Sally walks up to me and laughs.

"Actually, it does, and it doesn't like to talk to people under the IQ of zero." I leave with that and laugh.

I stop and turn around looking at John. "Jawn! We're leaving."

"Don't call me that." He crouches underneath the caution tape and walks over to me.

"Call you what? I do believe John is your name, so that's what I called you Jawn." We arrive at the edge of the street, I wave over a taxi and after a few seconds one arrives and we get in.

"There you go again, you know I hate how you pronounce it like that." John rambles on about 'Jawn' and whatnot.

"Saint Bart's Hospital please." I take out earmuffs and pass them over to the driver, he nods and places them on; turning up the volume of the radio station. John looks at me confused and looks over at the cabbie.

"Don't you know that's dangerous?" He exhales and turns to me.

"Oh be quiet John, you love danger." I turn to him and replace the fake smile I was wearing. "But in all seriousness John, I was wearing that scarf last night. And that scarf was inside your flat."

"So whoever did this broke into the flat without us knowing?" John said tapping his knee. He was frustrated and he had no intentions to hide it. "But why? What does your scarf have to do with this? All of this?"

"That I don't know John, but we need to go to Saint Bart's to meet up with Henry and Sherlock. I have a hunch at what the previous victims had in common."

"Previous victims? There were previous victims?" John massaged his head and clasped his hands. "How would you know Lily?"

"I'll tell you once we go inside, it's not safe to speak of it here. Publicly." I pat the cabbie's shoulder, thank him then get out of the cab. John follows and attempts to pay him but of course he declines.

"No thank you sir, I owe her after she helped me." His Irish accent came out strong as he spoke, but it was true, I had saved his wife from a burning building once two years ago. Since then, he's been my private cabbie.

"No I insist-" John continued but nonetheless he gave up after I had to drag him inside.

"Come along John, we have a murder to solve and a murderer to stop."

-------------------------------------

Molly was sitting on a chair weighing the corpse's organs. Her gloved hands were slathered in blood and entrails. She jumped from her seat as I barged into the small lab.

"Oh, Lily! You're back!" She smiled and took off her equipment. She jogged towards me and smiled even brighter. "I thought you were dead, why didn't you message me?"

"I was given orders not to talk to anyone outside of the mission," I smirked. "Sorry, I didn't contact you earlier, I've been... busy." She stood there quietly and then hugged me.

"Molly?"

"Yes?"

"Can I use the microscope and a whole bunch of other stuff?" She let go and frowned.

"Fine, but you owe me." She sighed and smiled.

"Okay. Dinner?" I ask; walking over to the microscope and plopping down on the chair. Her face becomes pink and she starts to stutter.

"D-dinner?"

"Yes, dinner or coffee. Don't I owe you?" I say examining something on the glass tray. My expression becomes neutral and I stay silent.

"Uh, Lily?" John speaks up and walks over to me.

"Yes John?" I answer but don't look up.

"When are they going to arrive?" He pulls up a chair and sits to my right. And at that moment Sherlock bursts in with Henry.

"Speaking of the devil(s), what took both of you? Wait, don't tell me, you had to examine the area and wheel in the corpse." I glanced up and glared at both of them.

"Sorry cupcake, but Donovan wouldn't let me go so easily. Here,-" he tossed me the evidence bag and I caught it single handed. "-The scarf and blindfold are in there. I also found something interesting."

I opened the bag and pulled out my scarf, the blindfold, and a business card? The card was black and on it was a bloody white rose. "You know where to meet me," I turned it over, "Tommorrow night, alone. This is very important. Welcome Lily, to the game."

I looked up at Sherlock who was in front of me. He stood there not moving an inch, "I'm guessing you already know who it is."

"Yes, now if you excuse me-" I stood up and Sherlock moved. "-I need to go see the rest of the victims," I smile up at Sherlock and pat his shoulder.

"Let's go John-," I say but Sherlock cuts me off, he turns around to face my direction.

"Leave him alone, John isn't your partner, Henry is. And if you understand, then thank you, I don't need your help." He says harshly, his blue eyes flicker down to meet with my stare.

"Sherlock!" John walks in between us.

"No, he's right I shouldn't be dragging you around with me everywhere I go. You're my brother John, not my partner. Goodbye."

I turn around and walk to the door, I walk outside but poke my head inside again, "I hope you're free tomorrow evening Molly." I smile warmly at her then finally leave.

Walking down the white corridor I can hear John screaming his ass off at Sherlock. Most along the lines of "How could you talk to her like that, she's my bloody sister" or "You have to bloody apologize Sherlock." But I just kept on walking, I slipped on my coat and put on my other scarf. I pushed open the doors and walked through them.

"Lily, wait!" I got on the elevator and pushed the button. John walked through the doors of the lab and ran through the corridor.

"Lily!" He ran... but didn't make it.

The elevator doors were closing and John's figure was approaching.

"Lily!" He screamed again.

"I'm sorry John," I placed my hands behind my back and stared coldly.

"Don't you dare!" He burst through the double-hinged doors.

"Goodbye, John."

The doors closed and the elevator began to descend. I took out my phone and punched in a number.

"Hey chief, we got a cold case in our hands." Before Greg responds, I hang up and dial somebody else.

I walk out the elevator and out of the hospital's main entrance. Once outside, I see a slick, black car waiting for me, I turn off the phone and smile, "How sweet of you."

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This is unedited but here ya go mate.