Investigators may build a case.Logical formLearned from26 sentences. Reports can be by investigators.Logical formLearned from26 sentences. Investigators may receive a tip.Logical formLearned from26 sentences. Investigators may have a reason.Logical formLearned from26 sentences. An investigator may work on a case.Logical formLearned from26 sentences. A principal investigator can be for a mission.Logical formLearned from26 sentences. A man may tell investigators that something-is-the-case.Logical formLearned from26 sentences. A list can be constituted-of-or-filled-with investigators.Logical formLearned from26 sentences. Investigators may interview a female.Logical formLearned from26 sentences. An official may tell investigators that something-is-the-case.Logical formLearned from26 sentences. Investigators can be prominent.Logical formLearned from26 sentences. (Research investigators) may undergo a training.Logical formLearned from26 sentences. An investigator can be at an office.Logical formLearned from26 sentences. A male may be charged with lying to investigators.Logical formLearned from26 sentences. A female can be a private investigator.Logical formLearned from26 sentences.