Whistle __, Exposes Illegal, Unethical Conduct
This page is the CodyCross answer for the clue below from Paris, Group 255, Puzzle 4 (Arab World Institute).
Question is: Whistle __, Exposes Illegal, Unethical Conduct
and the answer is: BLOWER
Word Meaning:
BLOWER — A person who blows.
Definitions from Wiktionary.