Investigators may be collected.Logical formLearned from19 sentences. Investigators may make arrests.Logical formLearned from19 sentences. Investigators can be careful.Logical formLearned from19 sentences. A role can be as an investigator.Logical formLearned from19 sentences. Principal investigator may pertain-to a mission.Logical formLearned from19 sentences. A principal investigator can be on some grants.Logical formLearned from19 sentences. Principal investigators can be on grants.Logical formLearned from19 sentences. Investigators may suspect foul play.Logical formLearned from19 sentences. Investigators may find material.Logical formLearned from19 sentences. An investigator can be seasoned.Logical formLearned from19 sentences. Investigators can be with a military-or-other-action-organization.Logical formLearned from19 sentences. Investigators may be verified.Logical formLearned from19 sentences. Investigators may examine allegations.Logical formLearned from19 sentences. A tip can be from investigators.Logical formLearned from19 sentences. Some men may tell investigators.Logical formLearned from19 sentences.