Murder Mystery Riddles

July 13, 2025

Here are 10 of the top murder mystery riddles that challenge your logic and deduction skills. Click on the arrow to show the answers.

1. Murder at School
On the first day of school, a history teacher is murdered. The suspects: landscaper (mowing the lawn), math teacher (giving a mid-year test), basketball coach (running drills), and principal (in her office). Who did it?

Answer

1. Answer: The math teacher—there can’t be a mid-year test on the first day of school.

2. The Letters of Murder
A chemist is found dead, with a note: “26-3-58/28-27-57-16.” The detective arrests two colleagues. Why?

Answer

2. Answer: The numbers are atomic numbers: Fe-Li-Ce/Ni-Co-La-S (Felice and Nicolas).

3. The Unconvincing Alibi
A millionaire is murdered Sunday morning. Suspects: wife (reading), maid (getting mail), gardener (planting seeds), butler (polishing silver). Who is guilty?

Answer

3. Answer: The maid—there’s no mail delivery on Sundays .

4. The Lone Envelope
A man is found dead in a locked office, no weapon, only a sealed envelope. How did he die?

Answer

4. Answer: The envelope glue was poisoned; he died after licking it.

5. The Hanging
A man is found hanging four feet off the floor, with only a puddle of water below. How did he die?

Answer

5. Answer: He stood on a block of ice, which melted.

6. The Light
A man eats dinner, turns off the lights, sleeps, wakes up, and jumps out the window. Why?

Answer

6. Answer: He was a lighthouse keeper; turning off the light caused a shipwreck.

7. The Murder
A man is shot in his locked car, windows up, doors locked, no bullet holes except in the body. How?

Answer

7. Answer: He was in a convertible with the top down.

8. The Funeral Mystery
A woman meets a man at her mother’s funeral, falls in love, but can’t find him again. Days later, she kills her sister. Why?

Answer

8. Answer: She hoped to see the man again at her sister’s funeral.