My Sister Demanded My Lab Research as Payback for a Sacrifice She Never Made – Part 3

Story code: ST-001194

Part 3: The Exposure of the Legend

Claire took two steps into the cleanroom, the heavy door clicking shut behind her. Her gaze shifted from my face to the monitor, where the bright blue lines of the telemetry graph clearly marked her physical coordinates and heart rate during the 2014 incident. Her knuckles turned white around her keychain.

“You shouldn’t be in the archive files,” she said, her voice dropping to a low, tight whisper. “I told you those files were corrupted during the database migration.”

“The migration didn’t corrupt the raw telemetry, Claire,” I said, pointing at the screen. “Look at the timestamp. 2:14 PM. The radiation sensor on your bracelet registered 0.09 microsieverts. That is standard background level. The accelerometer shows you were stationary. And the GPS node placed you in the basement breakroom, right by the vending machines.”

Claire walked over to the console, her breath coming faster. She reached out to grab the mouse, but I kept my hand firmly over it, blocking her screen access.

“The bracelet’s GPS was notoriously inaccurate back then,” she said, her voice rising in pitch. “The thick concrete walls of the cleanroom must have thrown off the signal. You know how shielding interferes with the sensors.”

“The cleanroom has its own dedicated receiver array, and it logged my bracelet perfectly in the chamber,” I replied, switching to the second tab on the spreadsheet. “It also logged yours. You weren’t anywhere near the cleanroom when the automatic venting cycle triggered. You didn’t manually override the valve. You didn’t breathe in any ionized gas. There was no exposure.”

Claire’s chest heaved. She looked around the empty lab as if checking the corners for witnesses. The confident, patronizing posture she had held during the morning presentation was gone, replaced by a rigid, defensive stance.

“I was the one who took the blame for the initial containment failure with the board,” she said, her words rushing together. “I let them believe it was a manual error to protect your fellowship. Even if I wasn’t in the room at that exact second, I protected you from the fallout. I sacrificed my standing for you, Sarah!”

“You told the board today that you suffered thyroid damage venting the chamber for me,” I said, my voice remaining entirely flat. “You’ve told me that every time I tried to take lead on my own papers. But the health logs from the university clinic show your thyroid panel was normal until you started your standard medication two years later. You built an entire career of guilt out of a routine maintenance event.”

Claire reached for the terminal power switch. “Shut it down. We’re not doing this. You’re trying to rewrite history to push me out of the patent.”

“I don’t need to rewrite anything,” I said, executing the final export command to my personal secure drive. “The telemetry is already logged.”

Her hands began to tremble. She stared at the progress bar, her eyes wide as she realized the leverage she had held over me for a decade was evaporating in the glow of the monitor.


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