33 Hard Riddles About a Murder Mystery You Can’t Solve


Murder mysteries have captivated people for centuries, challenging detectives and armchair sleuths alike to piece together clues and uncover the truth. The thrill of solving a crime, discovering hidden motives, and catching the culprit keeps us on the edge of our seats.

In this post, we’ll explore a series of hard riddles centered around murder mysteries. These puzzles will test your logic, observation, and deduction skills as you try to solve the case.

Let’s dive into the first riddle and see if you can uncover the mystery behind it!

hard riddles about a murder mistery
Hard Riddles About a Murder Mistery

All Riddle

1. Riddle:

The Murder Mystery: A man is found murdered in a locked room. There is no sign of struggle, and the windows are locked from the inside. On the table, there is a glass of water, a knife, and a note that reads: “It was the green one.” Who murdered the man and how?

Answer and Explanation:

  • Answer: The man was murdered by poisoning.
  • Explanation: The key clue is the glass of water. The note, “It was the green one,” refers to poison, specifically “green” as a reference to the color of the poison in the water. The absence of struggle and the locked room suggest that the man was poisoned, and the clue on the note pointed to the cause of death.

2. Riddle:

The Locked Room Mystery: A man is found dead in his locked office. There is a puddle of water next to his body, but no weapon. The only other things in the room are a chair, a desk, and a pen. How did he die?

Answer and Explanation:

  • Answer: The man died from a self-inflicted gunshot wound.
  • Explanation: The puddle of water was actually from the man’s tears. The key detail is the pen on the desk, which was used to write a suicide note. The chair was knocked over, indicating that the man’s death was not caused by any external force. The locked room suggests it was a suicide, and the man used the pen to write his final words.

3. Riddle:

The Crime Scene Riddle: A woman is found dead in her home, lying on the floor with a knife in her hand. The police find a note next to her with the words “I’m sorry” written on it. However, after investigating, the police realize she did not commit suicide. What happened?

Answer and Explanation:

  • Answer: The woman was murdered by someone else.
  • Explanation: The woman’s hand was forced around the knife, and the note “I’m sorry” was written by the murderer to make it look like a suicide. The murderer staged the scene to make it appear as though she killed herself, but the investigators quickly noticed the discrepancy, such as the woman’s hand positioning and the lack of struggle.

4. Riddle:

The Detective’s Deduction: A man was found dead in his house, and his wife was arrested for the crime. She claimed to have been in the garden when the murder occurred. The detective noted that the victim’s shoes were clean and there were no footprints leading to or from the body. How did the murder happen?

Answer and Explanation:

  • Answer: The wife killed the man while he was in the shower.
  • Explanation: The key clue is the clean shoes. Since the victim was found dead without any footprints or dirt on his shoes, it suggests that he was killed while he was in the shower, and the wife disposed of the body afterward. Her claim of being in the garden didn’t match the evidence.

5. Riddle:

The Murderer’s Identity: A man is found murdered in his house, and the only clues left behind are three items: a piece of broken glass, a torn piece of fabric, and a lock of hair. The police suspect the murderer is a woman. What do these clues tell us about the killer?

Answer and Explanation:

  • Answer: The murderer is a woman, and she fought with the victim before killing him.
  • Explanation: The broken glass suggests a struggle or confrontation. The torn fabric likely belongs to the woman’s clothing, and the lock of hair indicates that she was close enough to the victim to get involved in the physical altercation. These clues point to a violent struggle between the two, ultimately leading to the man’s death.

6. Riddle:

The Final Clue: A man is found dead in a locked room with no windows, no weapons, and no clear signs of violence. The only thing in the room is a puddle of water and a puddle of ink. What happened to the man?

Answer and Explanation:

  • Answer: The man committed suicide by drowning in a puddle of ink.
  • Explanation: The ink and water are key to understanding this mystery. The ink suggests that the man wrote something before his death, and the puddle of water suggests that he drowned himself. The locked room indicates it was not a murder, and the man used the ink to cover his final words.

7. Riddle:

The Silent Witness: A man is found dead in a small room with a single chair. There are no signs of struggle, no weapons, and no marks on his body. However, a tape recorder is found in the room, still playing. What happened?

Answer and Explanation:

  • Answer: The man was murdered by suffocation or poison.
  • Explanation: The key clue is the tape recorder. It suggests that the man was listening to something that led to his death. The absence of physical evidence of struggle points to the possibility of suffocation or poisoning. The tape recorder could have been playing a message or sound that triggered his demise.

8. Riddle:

The Murder Mystery in the Dark: A woman is found dead in her home, and the only evidence at the scene is a single candle that has burned completely out. There is no sign of a struggle or violence, and no signs of poison. How did the woman die?

Answer and Explanation:

  • Answer: The woman died from carbon monoxide poisoning.
  • Explanation: The single candle is a key clue. In a closed environment, a candle uses oxygen and can release carbon monoxide as it burns. If the woman was in the room with the candle for too long in a poorly ventilated space, she could have suffocated from the carbon monoxide, causing her death.

9. Riddle:

The Unlikely Murderer: A man is found murdered in a locked room, and the only clue left behind is a single bullet casing. The police suspect that the murderer is one of the housemaids, but the maid insists she had nothing to do with it. Who did it and why?

Answer and Explanation:

  • Answer: The man was shot by his own reflection.
  • Explanation: The key clue is the bullet casing. The locked room and absence of other evidence suggest that the man was killed by his own weapon. The twist is that the murderer wasn’t the maid—it was the reflection of the man in the mirror. He had accidentally shot himself, and the scene was staged to look like a murder.

10. Riddle:

The Mysterious Death: A man is found dead with a note saying, “The red book is the key.” There is a pile of books on the table, but no sign of violence. What is the significance of the red book?

Answer and Explanation:

  • Answer: The man was poisoned through a book.
  • Explanation: The red book is significant because it contained a secret compartment with poison inside. The murderer used the red book to deliver the poison by secretly opening it and slipping a dose of poison into the man’s drink while he was distracted.

Conclusion: Solving Murder Mystery Riddles

Murder mystery riddles often take us down unexpected paths, challenging us to think logically and consider all possible clues. Each riddle presents a unique scenario, urging us to piece together subtle hints and uncover the truth behind the crime. Solving these riddles tests both your critical thinking and problem-solving abilities.

Do you have any favorite murder mystery riddles or twists on these ideas? Share them in the comments below! We’d love to hear your thoughts and add more brain-bending puzzles to the collection.


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