(Law enforcement officials) may be stymied in attempts.Logical formLearned from1 sentences. A lack of cooperation may stymy efforts.Logical formLearned from1 sentences. A (murder investigation) may be stymied by a lack of witnesses.Logical formLearned from1 sentences. Others may be stymied in attempts.Logical formLearned from1 sentences. Folks may be stymied by shortcomings.Logical formLearned from1 sentences. Blocks may stymy efforts.Logical formLearned from1 sentences. (Mud lock) may stymy ports.Logical formLearned from1 sentences. Reform may be stymied by a lack of leadership.Logical formLearned from1 sentences. Efforts may be stymied by pressures.Logical formLearned from1 sentences. A (the nation) may be stymied for the future.Logical formLearned from1 sentences. Use of a treatment may be stymied by gaps.Logical formLearned from1 sentences. An example may stymy an expansion of gaming.Logical formLearned from1 sentences. (Police analysts) may be stymied about motives.Logical formLearned from1 sentences. An impasse may stymy relations.Logical formLearned from1 sentences. A secrecy of witnesses may stymy an investigation.Logical formLearned from1 sentences.