(Law enforcement officials) may realize that something-is-the-case.Logical formLearned from6 sentences. (Law enforcement officers) can be from a (travel agent).Logical formLearned from6 sentences. A name may come to attention of (law enforcement officers).Logical formLearned from6 sentences. Head may pertain-to a (law enforcement agency).Logical formLearned from6 sentences. Enforcement of (immigration laws) can be a process.Logical formLearned from6 sentences. (Law enforcement officials) can be at some levels of government.Logical formLearned from6 sentences. Communication can be with (law enforcement agencies).Logical formLearned from6 sentences. (Law enforcement officials) may be identified.Logical formLearned from6 sentences. Information-sharing can be between (law enforcement).Logical formLearned from6 sentences. (Law enforcement officials) may feel that something-is-the-case.Logical formLearned from6 sentences. A target can be for enforcement.Logical formLearned from6 sentences. (Law enforcement officials) may arrest some persons.Logical formLearned from6 sentences. (Enforcement measures) can be aggressive.Logical formLearned from6 sentences. A problem can be with (law enforcement).Logical formLearned from6 sentences. (Law enforcement) may learn.Logical formLearned from6 sentences.