a fact or object that helps solve a mystery or crime
The detective found some clues on the sidewalk.
The detective carefully examined the crime scene, hoping to find a crucial clue that would lead to the identity of the perpetrator.
The mysterious letter left at the scene provided the first real clue in the investigation.
As the team analyzed the surveillance footage, they hoped to discover a clue that would unravel the case.
The missing key turned out to be a vital clue in understanding the sequence of events leading to the burglary.
