Case : UNKNOWN #004 - The Dead Signal: An Interactive Techno-Thriller Murder Mystery
Overview
The station had been silent for almost ten years. Last night, it transmitted for forty-seven minutes. By morning, a man was dead inside.
Police systems analyst Elias Vane is found in the operator's chair at Relay Nine. The front door is secured from within. Two clocks disagree. And the transmission used Detective Lena Ortiz's credentials.
Six people have something to hide. Your task is to discover whose secret connects to the murder.
CASE: UNKNOWN #004 - The Dead Signal is an interactive crime investigation in book format. Examine the case documents, compare statements, challenge alibis and reconstruct the events yourself.
Inside the case file:
- Six suspect profiles and interviews.
- Crime scene photographs, medical findings and physical evidence.
- Access records, camera footage logs and conflicting timestamps.
- A seven-channel signal puzzle to reconstruct with pencil and paper.
- Analysis worksheets for your timeline and final accusation.
- Optional hints, an explained solution and a scoring guide.
A valid login does not prove who used it. A recorded image does not guarantee an honest alibi. To solve this case, you must connect independent evidence into a sequence that holds together.
All evidence needed to solve the murder appears before the solution. The investigation also continues the wider mystery of the CASE: UNKNOWN series.
For 1-6 players, ages 14+. Suggested investigation time: 60-90 minutes.
Study the file. Reconstruct the signal. Make your accusation before opening the solution.
This item is Non-Returnable
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Details
- ISBN-13: 9798194388127
- ISBN-10: 9798194388127
- Publisher: Independently Published
- Publish Date: August 2026
- Dimensions: 11 x 8.5 x 0.21 inches
- Shipping Weight: 0.63 pounds
- Page Count: 82
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