Inspector Okafor is checking the order in which five suspects left the locked library. Gwen left before Boris. Elena left before Jonas. Boris left before Mara. Jonas left before Gwen. Who left fourth?
Boris.
Putting every clue in a line gives this order: Elena, Jonas, Gwen, Boris, Mara.
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: Hard. More like this: Detective riddles with answers or try Truth & Lie Island for a different kind of puzzle.
More detective riddles
Three kids race to build the tallest butterfly tower. Ava finished before Mia. Ben finished before Ava. Who finished last?
Five guests sign the hotel log one by one, and the manager remembers only these facts. Opal signed before Mara. Mara signed before Hugo. Hugo signed before Dmitri. Luca signed before Opal. Who signed last?
The red heart is bigger than the pink heart, and the pink heart is bigger than the white heart. Which heart is the biggest?
Five guests sign the hotel log one by one, and the manager remembers only these facts. Iris signed before Kira. Jonas signed before Felix. Felix signed before Iris. Kira signed before Luca. Who signed fourth?
Three kids race to build the tallest book tower. Mia finished before Leo. Kai finished before Mia. Who finished last?
Inspector Moreno is checking the order in which five suspects left the locked library. Aria left before Iris. Gwen left before Kira. Dmitri left before Aria. Kira left before Dmitri. Who left second?