But Mr Dupree has said it was an accident and he acted in self defence.
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In English law there is currently only one full defence to murder - self defence.
Haylock, who said he acted in self defence, was convicted of manslaughter at Winchester Crown Court on 16 March.
The rural Self Defence party, led by Andrzej Lepper, is celebrating most after gaining around 12% of the vote.
Ms Braine said they were given tips by the police, but were not given any specific training in self defence.
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Yet Japan's Self Defence Forces began participating in peacekeeping missions, such as to Cambodia and East Timor, in the 1990s.
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When interviewed, he claimed Mr Brown had the knife and had attacked him, and he had been acting in self defence.
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Blackwater has insisted its staff acted only in self defence after insurgents fired upon the US diplomatic convoy they were protecting.
He served as interior minister in Mrs Tymoshenko's government and was a member of the opposition party Narodna Samooborona (People's Self Defence).
But Martin has always maintained that he heard a noise while in bed, came down the stairs and opened fire in self defence.
"We have always made clear we would reserve the right to use our nuclear weapons in conditions of extreme national self defence, " he said.
He said the government would review the laws on self defence, though he emphasised that he did not want to see a "vigilante society" creep in.
Carlton denied the charges and lodged special defences of self defence, claiming he was attacked with the knife and fought back with it because he was "scared".
MPs also posed questions to Solicitor General Vera Baird on justice for burglary victims who act in self defence, and to deputy Commons Leader Barbara Keeley.
The policeman who shot 23-year-old demonstrator Carlo Giuliani was investigated by prosecutors but the case was thrown out by a judge who ruled that he was acting in self defence.
Earlier this month Ken Clarke told the Conservative Party conference that the government was drawing up policies to "resolve public doubts on the law of self defence by victims of crime".
Law and Justice admits to slow progress on some fronts, but says that it is hampered by its two coalition partners, the leftist agrarian populists in the Self Defence party and the Catholic-nationalist League of Polish Families.
He denies the offences and has lodged a special defence of self-defence.
It has also brought much of southern Africa, citing mutual defence, into direct confrontation with much of East Africa, citing self-defence.
British defence sources said the rules of engagement stipulated the NATO troops could only use force in self-defence or if the safety of the soldiers was threatened.
No defence was heard in the trial, but the jury was told that Worvell claimed to be acting in self-defence after the two other men attempted to attack him with pieces of wood.
Mr Zimmerman says that he acted in self-defence after an altercation broke out with Martin.
Nevertheless, it firmly rejects any expansion of the scope of self-defence under Article 51.
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It will only ever be used in self-defence, and will never fight outside Swiss territory.
Mr Fitzsimons has said he shot the men in self-defence after an altercation broke out.
Terry Kennedy has to have his right hand amputated after he puts it up in self-defence.
Israel says the action was self-defence following eight years of rocket attacks by Palestinian militants.
No hunter, and nobody interested purely in self-defence, needs a semi-automatic rifle with a 100-round magazine.
He also sidelined the army and relied on local self-defence militias, known as Kamajors.
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