我们需要找到关于这起案件的更多线索。
民警一路从永兴县到郴州市区地段几十公里，排查所有医院。[{'character': '民', 'pinyin': 'min2', 'highest pitch': 9.25, 'lowest pitch': 7.91, 'duration': 0.21, 'prosody hierarchy': 'null'}, {'character': '警', 'pinyin': 'jing3', 'highest pitch': 9.19, 'lowest pitch': 5.99, 'duration': 0.28, 'prosody hierarchy': '#1'}, {'character': '一', 'pinyin': 'i2', 'highest pitch': 8.65, 'lowest pitch': 5.92, 'duration': 0.17, 'prosody hierarchy': 'null'}, {'character': '路', 'pinyin': 'lu4', 'highest pitch': 9.81, 'lowest pitch': 8.47, 'duration': 0.23, 'prosody hierarchy': '#1'}, {'character': '从', 'pinyin': 'cong2', 'highest pitch': 9.21, 'lowest pitch': 7.54, 'duration': 0.29, 'prosody hierarchy': '#1'}, {'character': '永', 'pinyin': 'iong3', 'highest pitch': 8.82, 'lowest pitch': 5.12, 'duration': 0.18, 'prosody hierarchy': 'null'}, {'character': '兴', 'pinyin': 'xing1', 'highest pitch': 10.7, 'lowest pitch': 5.84, 'duration': 0.22, 'prosody hierarchy': 'null'}, {'character': '县', 'pinyin': 'xian4', 'highest pitch': 10.67, 'lowest pitch': 7.6, 'duration': 0.27, 'prosody hierarchy': '#2'}, {'pinyin': 'sp1', 'highest pitch': 0.0, 'lowest pitch': 0.0, 'duration': 0.11}, {'character': '到', 'pinyin': 'dao4', 'highest pitch': 8.23, 'lowest pitch': 6.8, 'duration': 0.21, 'prosody hierarchy': '#1'}, {'character': '郴', 'pinyin': 'chen1', 'highest pitch': 8.78, 'lowest pitch': 6.8, 'duration': 0.2, 'prosody hierarchy': 'null'}, {'character': '州', 'pinyin': 'zhou1', 'highest pitch': 9.23, 'lowest pitch': 8.25, 'duration': 0.15, 'prosody hierarchy': '#1'}, {'character': '市', 'pinyin': 'shiii4', 'highest pitch': 9.72, 'lowest pitch': 7.27, 'duration': 0.21, 'prosody hierarchy': 'null'}, {'character': '区', 'pinyin': 'qv1', 'highest pitch': 9.36, 'lowest pitch': 7.27, 'duration': 0.26, 'prosody hierarchy': '#2'}, {'pinyin': 'sp1', 'highest pitch': 0.0, 'lowest pitch': 0.0, 'duration': 0.07}, {'character': '地', 'pinyin': 'di4', 'highest pitch': 9.06, 'lowest pitch': 7.11, 'duration': 0.19, 'prosody hierarchy': 'null'}, {'character': '段', 'pinyin': 'duan4', 'highest pitch': 8.65, 'lowest pitch': 6.87, 'duration': 0.23, 'prosody hierarchy': '#1'}, {'character': '几', 'pinyin': 'ji3', 'highest pitch': 6.87, 'lowest pitch': 4.87, 'duration': 0.15, 'prosody hierarchy': 'null'}, {'character': '十', 'pinyin': 'shiii2', 'highest pitch': 9.09, 'lowest pitch': 6.86, 'duration': 0.17, 'prosody hierarchy': '#1'}, {'character': '公', 'pinyin': 'gong1', 'highest pitch': 10.08, 'lowest pitch': 8.54, 'duration': 0.18, 'prosody hierarchy': 'null'}, {'character': '里', 'pinyin': 'li3', 'highest pitch': 9.2, 'lowest pitch': 4.98, 'duration': 0.26, 'prosody hierarchy': '#3'}, {'pinyin': 'sp1', 'highest pitch': 0.0, 'lowest pitch': 0.0, 'duration': 0.26}, {'character': '排', 'pinyin': 'pai2', 'highest pitch': 7.25, 'lowest pitch': 6.47, 'duration': 0.22, 'prosody hierarchy': 'null'}, {'character': '查', 'pinyin': 'cha2', 'highest pitch': 7.95, 'lowest pitch': 6.28, 'duration': 0.24, 'prosody hierarchy': '#1'}, {'character': '所', 'pinyin': 'suo2', 'highest pitch': 8.36, 'lowest pitch': 6.9, 'duration': 0.17, 'prosody hierarchy': 'null'}, {'character': '有', 'pinyin': 'iou3', 'highest pitch': 10.87, 'lowest pitch': 7.08, 'duration': 0.18, 'prosody hierarchy': '#1'}, {'character': '医', 'pinyin': 'i1', 'highest pitch': 7.08, 'lowest pitch': 6.27, 'duration': 0.2, 'prosody hierarchy': 'null'}, {'character': '院', 'pinyin': 'van4', 'highest pitch': 7.55, 'lowest pitch': 3.94, 'duration': 0.29, 'prosody hierarchy': '#4'}]