Inspector Frost is checking the order in which five suspects left the locked library. Felix left before Opal. Opal left before Carmen. Kira left before Gwen. Gwen left before Felix. Who left fourth?
Opal.
Putting every clue in a line gives this order: Kira, Gwen, Felix, Opal, Carmen.
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
The cookies are gone, there is soot on the rug, and a new present sits under the tree. How did the visitor most likely get in?
Detective Hale questions five witnesses about the order they reached the museum door. Dmitri reached the door before Felix. Jonas reached the door before Carmen. Felix reached the door before Iris. Carmen reached the door before Dmitri. Who reached the door second?
Three kids race to build the tallest shell tower. Leo finished before Ben. Ben finished before Ava. Who finished last?
Three kids race to build the tallest mitten tower. Ida finished before Omar. Omar finished before Kai. Who finished last?
Five guests sign the hotel log one by one, and the manager remembers only these facts. Opal signed before Pavel. Kira signed before Opal. Carmen signed before Kira. Elena signed before Carmen. Who signed fourth?
Three kids race to build the tallest ruler tower. Zoe finished before Mia. Ida finished before Zoe. Who finished last?

