Sources can be close to investigations.Logical formLearned from22 sentences. A government may launch a criminal investigation.Logical formLearned from22 sentences. Authorities may undergo an investigation.Logical formLearned from22 sentences. An investigation can be into (war crimes).Logical formLearned from22 sentences. Doubts can be about an investigation.Logical formLearned from22 sentences. A barrier can be in a way of an investigation.Logical formLearned from22 sentences. A stone may be unturned in an investigation.Logical formLearned from22 sentences. A series can be constituted-of-or-filled-with (police investigations).Logical formLearned from22 sentences. An investigation can be for corruption.Logical formLearned from22 sentences. An investigation can be into a crackdown.Logical formLearned from22 sentences. A criminal investigation may pertain-to an incident.Logical formLearned from22 sentences. Some investigations may be opened.Logical formLearned from22 sentences. Investigation can be for murder.Logical formLearned from22 sentences. Misdemeanor may undergo an investigation.Logical formLearned from22 sentences. An investigation can be into funds.Logical formLearned from22 sentences.