Mind Skill Games mascot
Mind Skill Games — Sharpen Your Mind, One Game at a Time
Detective riddle

Inspector Morse found a suspect standing over a victim who had been stabbed in the chest. The suspect held the bloody knife. Yet, Morse let the suspect walk away. Why?

About this riddle

Detective riddles are tiny mysteries. Look for the detail in the story that does not fit; it is usually the clue that solves the case.

Difficulty: Medium. More like this: Detective riddles with answers or try Truth & Lie Island for a different kind of puzzle.

More detective riddles

Five guests sign the hotel log one by one, and the manager remembers only these facts. Elena signed before Luca. Kira signed before Aria. Luca signed before Kira. Aria signed before Pavel. Who signed third?

An encrypted USB drive was stolen from a high-security lab. The only three employees with access were Alice (the coder), Bob (the hardware tech), and Charlie (the janitor). Alice said she was recompiling the core kernel. Bob said he was replacing a burnt-out motherboard. Charlie said he was mopping the server room floor. Detective Vance checked the server room floor and handcuffed Charlie. What was wrong with Charlie's alibi?

Three kids race to build the tallest acorn tower. Zoe finished before Mia. Ben finished before Zoe. Who finished last?

A wealthy merchant reported his diamond necklace stolen from a velvet display box. The night watchman stated he patrolled the hallway every twenty minutes and saw the necklace sparkling in the moonlight through the glass window the entire night. Detective Ray arrested the watchman immediately. Why?

Detective Barnes interviewed three witnesses to a bank robbery. Witness A said the robber wore a red cap. Witness B said the robber wore a blue hoodie. Witness C said the robber wore no hat and a green jacket. Barnes smiled, knowing none of them actually saw the robber. How did he know?

A man reported his vintage car stolen from his garage. He stated he parked it inside, locked the garage door, and went to sleep. Officer Dale inspected the garage: the car was gone, but the dust on the floor was completely undisturbed except for the tire tracks leading straight out the closed garage door. What was the solution?