Had he killed someone he also would have faced involuntary manslaughter charges.

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The jury heard the couple did not speak for a couple of days during the New Year following a disagreement, but on the evening of Mr Bick's death Mr Hunnisett contacted her sounding "quite distraught" and said he had killed someone.

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Mr Hope told jurors that when he and Mr Richards went to Cardiff Addictions Unit the day after Aamir was killed, Mr Richards said "he might have killed someone or words to that effect".

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In 1980, after he spoke out against the U.S. Olympic boycott, he picked up his phone and heard someone tell him he would be killed on his way to the finish line in Boston.

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The court heard he killed her because he believed she was seeing someone else.

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"In my opinion there's no end served by releasing a picture of someone who has been killed, " he said, quoted by CNN.

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After noticing the death certificate of his great-great-great-grandmother had omitted a cause of death, he made inquiries which revealed she was killed by "injuries inflicted on the head by someone unknown".

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"I did know someone that luckily escaped, even though the professor was killed, " he said.

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"I do not want officers knocking on doors at any time of the year, but especially over Christmas and the New Year to tell families that a loved one has been killed on the roads, because someone has decided to drive after drinking, " he said.

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"We're preventing crimes before someone is killed and before someone else has to go to prison for murder or other serious crimes, " he said.

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