Question: who serves as a primary connection between the population and the criminal justice system
[{'answer': 'police', 'provenance': [{'wikipedia_id': '168219', 'title': 'Criminal justice', 'start_paragraph_id': 1, 'start_character': 433, 'end_paragraph_id': 1, 'end_character': 439, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}]