The public should be 'clued in' to what's happening. [=should be told about what's happening]
He doesn't have a 'clue' when it comes to fixing cars. [=he knows nothing about fixing cars]
He's totally 'clued in on' [=he knows a lot about] the latest computer developments.
(..) ...but methamphetamine. I didn't picture that. - There's a lot of money in it, huh? - Don't know what you're talking about. - No? - Not a clue. Cap'n Cook? That's not you? Like I said, no one is looking for you. Look, I don't know what you think (..)2008 TvShow: Breaking Bad Title: Pilot Season: 1 Episode 1