Crossword Genius

The king shifts left to right, revealing crimes (5)

Ross

I believe the answer is:

evils

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

'crimes' is the definition.
The answer and definition can be both acts as well as being plural nouns.
Perhaps they are linked in a way I don't understand?

I can't explain the remainder of the clue.

Can you help me to learn more?

(Other definitions for evils that I've seen before include "Lives (anag.)" , "transgressions" , "Sins and depravities" , "immoral actions" , "Iniquities" .)

I've seen this clue in The Irish Times.
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