An investigation can be into a killing.Logical formLearned from142 sentences. An investigation can be into actions.Logical formLearned from142 sentences. A male can be a subject of an investigation.Logical formLearned from141 sentences. Investigations can be systematic.Logical formLearned from141 sentences. A disappearance may undergo an investigation.Logical formLearned from141 sentences. An investigation can be cursory.Logical formLearned from140 sentences. A male may promise an investigation.Logical formLearned from140 sentences. Some areas can be constituted-of-or-filled-with investigation.Logical formLearned from140 sentences. Crimes may undergo an investigation.Logical formLearned from139 sentences. An investigation may widen.Logical formLearned from139 sentences. An investigation may be doed.Logical formLearned from139 sentences. Investigations can be into allegations.Logical formLearned from139 sentences. Claims may undergo an investigation.Logical formLearned from139 sentences. An investigation can be by a government.Logical formLearned from138 sentences. An investigation can be into dealings.Logical formLearned from138 sentences.