This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Forensic Medicine
[{'content': 'If death occurs in police custody, the investigation is carried out by - \nSelect and explain. \nA. Chief judicial magistrate, B. Executive magistrate, C. City magistrate, D. Any magistrate', 'role': 'user'}, {'content': 'Answer: B \nExplanation: If death occurs in police custody, the investigation is carried out by magistrate inquest.\nMagistrate inquest is done by Executive magistrate, district magistrate (DM) or sub-divisional magistrate (SDM).', 'role': 'assistant'}]