A truth may undergo an investigation.Logical formLearned from39 sentences. An investigation can be documentary.Logical formLearned from39 sentences. A male may start an investigation.Logical formLearned from39 sentences. Crimes may undergo investigations.Logical formLearned from39 sentences. Purposes may pertain-to an investigation.Logical formLearned from39 sentences. Some persons may brief on an investigation.Logical formLearned from39 sentences. Investigation may conclude that something-is-the-case.Logical formLearned from39 sentences. An investigation may raise questions.Logical formLearned from39 sentences. An agency may open an investigation.Logical formLearned from39 sentences. An investigation can be illegal.Logical formLearned from39 sentences. An investigation can be into an allegation.Logical formLearned from39 sentences. An investigation can be by authorities.Logical formLearned from39 sentences. (Police investigations) can be into online abuse.Logical formLearned from39 sentences. An investigation may be published.Logical formLearned from39 sentences. An investigation can be into leaks.Logical formLearned from39 sentences.