Investigator may say in a statement.Logical formLearned from17 sentences. Claims can be by investigators.Logical formLearned from17 sentences. Investigators may probe attacks.Logical formLearned from17 sentences. Investigators may probe a scandal.Logical formLearned from17 sentences. A tip-off can be from investigators.Logical formLearned from17 sentences. Investigators may probe a possibility.Logical formLearned from17 sentences. Investigators can be from a security-service.Logical formLearned from16 sentences. Investigators can be selected.Logical formLearned from16 sentences. Investigators may undergo a collaboration.Logical formLearned from16 sentences. A principal investigator may ensure that something-is-the-case.Logical formLearned from16 sentences. A team may include investigators.Logical formLearned from16 sentences. Investigators may hypothesize that something-is-the-case.Logical formLearned from16 sentences. An investigator may participate in activities.Logical formLearned from16 sentences. An institution may pertain-to a (principal investigator).Logical formLearned from16 sentences. Investigators may undergo involvement.Logical formLearned from16 sentences.