The most common and most likely answer to this crossword clue is the 10 letter word WRONGDOING
I've seen this crossword clue in The Guardian
W
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More clues leading to the result WRONGDOING
Buddy explains!

The straight part
We know that "The crime/performing badly" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case the crime/performing badly = wrongdoing.The cryptic/wordplay part
In cryptic crossword there's often an wordplay/cryptic part as well.This part involves a more complex hint, such as an anagram, homophone, hidden word, etc.
Sadly, We don't have an explanation for this specific crossword clue yet.
What does WRONGDOING mean?
WRONGDOING verb- To do something wrong; to break a rule or offend.
- Violation of standards of behavior.
- An instance of doing wrong.