Dr Harold Shipman was the UK's most prolific serial killer, but he heads a long line of infamous murderers.

哈罗德·希普曼医生是英国最多产的连环杀手，然而在他的身后，还有许许多多同样恶名昭彰的杀人狂魔。

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Dr Shipman was accused of "browbeating" and "bludgeoning" relatives of his alleged victims to persuade them against demanding post-mortems.

BBC: GP denies 'means and opportunity' to kill

Dr Shipman said he had mentioned the possibility of a post mortem and said Mrs Mellor's relatives may not have heard because they were "completely stressed and in a state of shock".

BBC: GP denies 'means and opportunity' to kill

When Dr Shipman was convicted of drugs offences in the 1970s, he was not struck off - although GMC leaders have indicated that a similar case might well have had a different outcome today.

BBC: Dealing with criminal doctors