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R (O’Connor) v HM Coroner for the District of Avon and Visser (intervener) | 
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| Issue:  | 
The standard of proof to be applied in considering a verdict of unlawful killing when insanity was properly raised on the evidence. | 
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| Court:  | 
Administrative Court | 
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| Reference:    | 
CO/4686/2008 | 
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| Neutral Citation:    | 
[2009] EWHC 854 (Admin) | 
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| Judge(s):  | 
Sir Anthony May P, Dobbs J | 
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| Date:  | 
7 May 2009 |