Inspector Vance found the victim slumped over a desk with a punctured tea cup, a fresh ink stain on her right index finger, and a window blown wide open by a winter gale. The heating vent was blasting hot air, and a heavy iron paperweight sat on the floor. Vance immediately arrested the victim's business partner for staging a fake burglary. How did he know?
The ink stain
The victim had a fresh ink stain on her right index finger, which proves she had been writing recently. However, she was slumped over as if she had been surprised or suddenly attacked, yet her hand showed she was in the middle of active writing, exposing the staged struggle.
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
Inspector Drake inspected a stolen car recovered in a muddy ditch. The thief had driven through a freshly paved asphalt road, leaving distinct tire tracks. However, the front tires had a tread pattern completely different from the rear tires, and neither matched the car's original factory model. What does this tell the inspector about the vehicle's history?
An antique pocket watch was reported stolen from a locked glass display case at a heritage center. The curator claimed the thief must have used a master key because the lock showed no signs of forced entry. Detective Hayes examined the display case and noticed a tiny scratch on the inside frame of the glass door. Hayes smiled and accused the curator of staging the theft. Why?
Detective Ray found a dead man lying face down in the middle of a vast, flat desert. There were no footprints, tire tracks, or animal trails for miles around. The man was holding a heavy backpack. How did he die?
Detective Grant arrived at a cabin where a man sat frozen to death by the fireplace. A full box of matches sat on the mantelpiece, and a log was burning brightly in the grate. There were no doors or windows open. Grant shook his head and said the man froze because he refused to use the matches. Why would a man freeze with a fire and matches right in front of him?
At midnight, a gunshot echoed through the mansion. Detective Drake rushed to the parlor to find the homeowner dead on the rug. The butler said he was sleeping. The maid said she was dusting the chandelier. The chef said he was boiling eggs. Drake arrested the chef instantly. What gave the chef away?
Detective Thorne walked into the dimly lit study and found a wealthy art collector tied to a chair. The victim gasped, 'The masked intruder stole the Monet painting right off the easel!' Thorne immediately untied the victim and charged him with insurance fraud. What detail gave the collector away?

