Phaethon realized that here was his first solid clue.

If we could just get one solid, certain clue.

There's just no way of knowing anything until we find some solid clues or leads.

On that front, consumer research has offered few solid clues.

Tom Blankenship has passed from history with few solid clues as to his ultimate fate.

This is the first solid clue I've had in five years.

In fact, good, solid clues and verifiable facts often led nowhere.

They have no explanation for their dual personality, and their individual statistics don't necessarily offer solid clues to the mystery.

We finally got the one good solid clue.

"This is the first solid clue we've had that may link Strang with the jewel thefts."