How to use "clue" in a sentence

He destroyed an important clue

The search ended on the 18th, and the police admitted they had not found the smallest clue

"Anyway, we don't have a clue where the rebels are," said Gran

"I haven't a clue."

Henri had just proved that Charas seemed to be getting close to some kind of clue in this business with the flies.

'There must be some clue that would help us.'

'No,' he said, 'it's not a clue, it's a gift.'

Poor Griselda - that book on Mother Love had given Miss Marple the clue!