I--- Harem Bulbulu Sahin K 40 〈EXCLUSIVE ✭〉

end transmission. reboot in potassium.

The song ended. The needle lifted. But in the silent room, something was still counting down. (Assumes "K 40" is the dominant clue—Potassium-40, a radioactive isotope used in dating rocks and bodily fluids.) i--- Harem Bulbulu Sahin K 40

“The nightingale sings only once. But its potassium decays forever.” end transmission

The lab report came back with a single annotation in red ink: “i--- (indeterminate origin). Harem Bulbulu (possible alias or biological sample code). Sahin K (suspect/patient zero). K 40 (potassium-40 signature present in all tissue samples).” i--- Harem Bulbulu Sahin K 40