(Grand jury investigations) may pertain-to a country.Logical formLearned from17 sentences. Some witnesses can be in an investigation.Logical formLearned from17 sentences. An investigation can be into losses.Logical formLearned from17 sentences. A cluster may undergo an investigation.Logical formLearned from17 sentences. A case can be in an investigation.Logical formLearned from17 sentences. An investigation can be into gambling.Logical formLearned from17 sentences. An investigation can be permanent.Logical formLearned from17 sentences. An investigation can be into a (land deal).Logical formLearned from17 sentences. (Billing practices) may undergo an investigation.Logical formLearned from17 sentences. A source can be familiar with an investigation.Logical formLearned from17 sentences. An investigation can be into a market.Logical formLearned from17 sentences. Investigations can be firsthand.Logical formLearned from17 sentences. Irregularities may undergo investigations.Logical formLearned from17 sentences. Processes may undergo investigations.Logical formLearned from17 sentences. Development may undergo an investigation.Logical formLearned from17 sentences.