Looks like you've lost the keys to the clue-mobile

Al Pacino never looks like he's being filmed.

But they don't have a clue as to what to do about them.

I haven't the slightest clue as to why I got more than anybody else.

This is not a clue...or is it?

Usually, people who ask 'do you know who I am?' don't have a clue themselves.