Crossword Genius

Appear to expose a fraud (4,2)

Ross

I believe the answer is:

show up

I'm a little stuck... Click here to teach me more about this clue!

This clue could be a double definition.

'appear' is the first definition.
(I know that show up is a more specific form of the action appear)

'expose a fraud' is the second definition.
'show up' can be an answer for 'expose' (thesaurus). I am not certain of the 'a fraud' bit.

'to' acts as a link.

Can you help me to learn more?

(Other definitions for show up that I've seen before include "Expose or keep appointment" , "Make an appearance" , "cause public embarrassment" , "Expose, or arrive as expected" , "Put in appearance or expose" .)

I've seen this clue in The Globe and Mail.
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