HELIXSIGHT: PREDICTIVE EVENT NOTIFICATION
SUBJECT: THE READER.
RISK SCORE: █████
PREDICTED OUTCOME: OBSERVATION
PRV-EXEMPTNINTH ETHER STUDIOS · CASEWORK SERIES
SEE IT BEFORE LENA SAYS IT.
Ten cases from the files of Detective Lena Thorne. Real evidence from KILL CODE: screens, ledgers, notes and crime-scene photos. Your job isn't to solve them. It's to see them.

THE METHOD · EIGHT PASSES
Observe first. Reason second. Do not skip ahead.
- 01Observation (no interpretation)
- 02Anomaly Detection
- 03Foregrounding
- 04Minimal Symbolic Tools
- 05Narrative Compatibility
- 06Multiple Hypotheses
- 07Uncertainty & Alternatives
- 08Synthesis Without Conclusion
Every case is scored out of 24 with the same rubric, from Reactive Viewer to Pattern-Literate Thinker.
CASE INDEX · SPOILER CONTROLLED
Ten cases. In story order. No spoilers past your chapter.
The Yellow Envelope
SAFE AFTER CH. 3The White Van
SAFE AFTER CH. 3The Clock Jump
SAFE AFTER CH. 6The Backdated Addendum
SAFE AFTER CH. 7The Ghost Wallet
SAFE AFTER CH. 12The Wet Boots
SAFE AFTER CH. 13The Doll and the Drive
SAFE AFTER CH. 17The Bunker Whiteboard
SAFE AFTER CH. 18The Bunker Footage
SAFE AFTER CH. 19The 0-Hour File
SEALED · FINISH THE BOOK FIRSTRECOVERED EXHIBITS
Every exhibit comes from the book.



WHAT LENA SAW · KILL CODE, CH. 1
LENA'S DEBRIEF
After every answer key, Lena shows you what she saw in the book, in her own words, and the one habit worth keeping.
Detective,
Don't tell me what it means. Tell me what's on it. Then tell me what doesn't belong.
— L.T.
FREE SAMPLE · CASE 01 OF 10
Start with Case 01. Free.
The full first case: exhibit, worksheet, answer key and Lena's Debrief. Print it and work it tonight.
CASE 01 · ASK FOR A HINT
Stuck on Case 01?
Ask about the free sample. You'll get a spoiler-free nudge on where to look, never the answer.
WHAT'S INSIDE
The complete field manual.
- 10 complete cases with printable exhibits
- 8-step worksheet for every case
- Full answer keys with Lena's Debriefs
- The Core Scoring Rubric (24 points per case)
- Spoiler clearance on every case
- Bonus: the sealed 0-Hour File
- 93-page PDF, US Letter, print at home

THE SOURCE NOVEL · PAPERBACK
KILL CODE
The algorithm predicted her sister’s disappearance. Now it’s predicting a murder.
Two years ago, Detective Lena Thorne’s sister vanished on a rain-soaked road outside Riverbend, Virginia. HelixSight, the town’s celebrated predictive-policing system, had flagged Mara before she was gone.
At 3:07 a.m., sleepless and off the books, Lena receives a new alert. Schoolteacher Amber Adams. Risk score: 99. Predicted outcome: homicide. Then an envelope appears on her car seat: YOUR TIME IS CONFIRMED.
Ordered to stand down, Lena breaks into the system’s hidden layers and finds something worse than prediction: a program that rehearses crimes before they happen, and a countdown that moves every time she resists. With a white van in every mirror and no one in her department she can fully trust, Lena has to keep Amber alive long enough to find the human hand behind the machine.
The machine doesn’t predict murder. It practices it.
Buy KILL CODE on Lulu — $17.99 USD- Published
- Language / Category
- English · Fiction
- ISBN
- 9780557751655
- Pages / Binding
- 212 · Paperback perfect bound
- Interior
- Black & white
- Dimensions
- US Trade · 6 × 9 in / 152 × 229 mm
- Copyright
- All Rights Reserved — Standard Copyright License
FIELD NOTES
Frequently asked questions.
Do I need to read the book first?
No. Each case lists the chapter to finish first, so you can work along as you read.
Is it a physical book?
No. It's a printable PDF, delivered instantly.
Can I print it more than once?
Yes, for personal use.
Will it spoil the ending?
No. No case reveals anything past Chapter 19, except the sealed file.
Who is it for?
Mystery readers, puzzle solvers, teachers, analysts, and anyone who wants to stop reacting and start observing.