secret investigation
Noun, Participle, Verb, Transitive
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The police are proceeding with a secret investigation into the case.
He embarked on a secret investigation to expose the company's misconduct.
The organization was wary of secret investigations from the government and thoroughly managed its information.
Rumors spread that the politician had ordered a secret investigation into his rival candidate.
Intelligence agencies conduct secret investigations for national security.
Kanji that make up this word
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