[Vote] The Night the Star Fell - Detective Game

📕Story Background

The Blackwood Observatory perched on the Scottish Highlands like a stone sentinel, October winds carrying mist through its Victorian walls. Tonight, the private facility buzzed with activity—a rare comet-viewing gathering drawing astronomers and enthusiasts alike.

At 11:17 PM, as guests savored whisky downstairs, a scream shattered the night. Graduate student Sophie Laurent stood trembling at the doorway of the second-floor observation room, pointing at Professor Arthur Blackwood's body sprawled beside the massive refractor telescope. The sixty-two-year-old astronomer had stopped breathing. His left eye bore an eerie burn mark—a hair-thin scorch trail penetrating from the pupil straight into the cranium.

Police quickly identified three suspects.

Dr. Elena Voss, the victim's research partner, claimed she'd been downstairs organizing observation data all evening. Yet her laptop showed the last file modification at 10:03 PM—no activity afterward for over an hour.

Marcus Blackwood, the victim's nephew, claimed he was smoking on the balcony. But barometric pressure was unusually low that night, and he carried no cigarette smell—only a faint scent of metallic oxide.

Sophie Laurent, the victim's graduate student, claimed she was the first to discover the body. But why venture upstairs alone at midnight? She said she'd forgotten a notebook, yet that notebook was found on the downstairs living room sofa.

Forensic examination revealed the shocking cause of death: a precision burn channel ran from Arthur's left eye through to his brainstem, matching exactly the profile of the observatory's laser collimator—a device used to calibrate telescope lenses, capable of melting metal at maximum power.

The truth lay somewhere between the stars and the lies.

Suspects

Dr. Elena Voss:

I was downstairs processing observation data all evening—Arthur knew I was busy. We'd collaborated for fifteen years. How could I possibly harm him? Yes, we had disagreements over paper authorship recently, but that was academic discussion, not murder motive. I didn't leave the living room after ten o'clock.

Marcus Blackwood:

I know Uncle Arthur recently amended his will and removed me as beneficiary. But I have my own income—I'm a successful jewelry appraiser and don't need his money. I spent the entire evening on the balcony smoking a cigar, enjoying the night sky. I never even entered the second-floor observation room.

Sophie Laurent:

Professor Blackwood was my mentor and the person I respected most. Yes, I'd left my notebook upstairs earlier, so I went to retrieve it. When I pushed open the observation room door, he was already on the ground. I screamed because I was scared, not because I felt guilty.

🔍Known Clues

1. The burn mark on the victim's left eye matches the laser collimator's beam diameter exactly, and the device's power dial was turned to maximum and secured with tape

2. The observatory's power monitoring log shows an anomalous surge at 10:47 PM lasting approximately 0.3 seconds—exactly the duration of a laser pulse

3. An unfinished letter was found on the victim's desk, addressed to an academic committee, reporting someone for data falsification and mentioning a specific set of spectral data that had been altered

4. Marcus claimed he spent the evening smoking on the balcony, but the inside of his jacket sleeve bore a fine metallic scratch matching the groove of the telescope's focusing knob

5. Elena's laptop browser history shows searches at 9:15 PM that night for 'laser collimator maximum power' and 'how to remotely trigger astronomical equipment'

🕵️‍Questions and Discussions for YOU

1. Who is the killer? Deduce the true culprit based on the clues

2. Reconstruct the murder process: How did the killer commit murder without entering the observation room? What was the motive?

🎉Participation Rewards

The FIRST user to successfully deduce the identity of the "culprit" and their motive in the comment, will receive a reward of 2,000 GT points! Other participants will earn 200-500 GT points based on the completeness of their submissions. 💰(Except for extended special edition)

📅Submission Deadline

June 19, 2026

Reminder: This is the submission deadline if you want to claim the reward with your vote, but after this date the vote will still remain open for a period of time, so please feel free to participate at any time if you want to test your skills, detectives!

----- Previous answer (The Double Agent in the Shadows) -------

Culprit: Alex Reed

Motive: Alex was the double agent Harold had been investigating. As Harold closed in on the source of the intelligence leak and compiled evidence related to the summit document exchange, Alex needed to eliminate him and destroy any remaining digital traces of his espionage activities.

Deduction Logic — The Contradiction in the "Perfect Alibi"

• Alex's alibi is based entirely on records he was uniquely capable of manipulating.Alex claimed he remained in the technical room throughout the evening, supported by login and operation logs.
• As the team's cryptographer and technical expert, he was the person most capable of falsifying or automating such records.
• A technical log is not independent evidence when the suspect himself controls the system that generated it.
• The data-wiping operation directly contradicts Alex's statement.During the estimated time of Harold's death, Alex's computer performed an unusual data deletion process.
• If Alex was simply conducting routine maintenance, there would be no reason for covert data destruction.
• The timing strongly suggests he was removing evidence connected to the intelligence leak after killing Harold.
• The evidence against Klaus appears deliberately planted.The Eastern-style cufflink immediately points suspicion toward Eastern intelligence connections.
• The discarded transmitter used a frequency matching Klaus's known equipment.
• Both clues are almost too obvious, making them more consistent with a framing attempt than genuine mistakes by a professional spy.
• A real operative would avoid leaving such direct links to himself.
• Emma's lie is suspicious but not incriminating.Surveillance showed Emma briefly left the conference room despite claiming she stayed there all evening.
• However, there is no evidence linking her to the poison, the data deletion, or the intelligence leak.
• Her lie may conceal unrelated activity, but it does not connect her to the murder itself.

Crime Reconstruction

Alex learned that Harold had identified the existence of a mole and was preparing evidence in the unsent email draft. He met Harold in his hotel suite under the pretense of discussing technical or intelligence matters. During the meeting, he poisoned Harold's drink and staged the death to resemble a suicide by tranquilizer overdose.

Afterward, Alex planted clues designed to implicate Klaus, including the Eastern-style cufflink and the transmitter linked to Klaus's encryption frequency. He then returned to the technical systems and initiated a data-wiping operation to erase evidence of his espionage activities, unintentionally creating the contradiction that ultimately exposed him.

Conclusion: The murder was planned and executed by Alex Reed, who relied on a technically sophisticated false alibi while planting evidence to frame Klaus Fischer. The data-wiping record is the decisive clue that reveals him as both the double agent and the killer.

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