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R (Buck) v Secretary of State for the Home Department | 
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| Issue:  | 
Whether a disciplinary conviction for drug-taking was correct; whether it has to be shown that the prisoner knowingly took a controlled drug. | 
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| Court:  | 
Administrative Court | 
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| Reference:    | 
CO/4179/2000 | 
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| Neutral Citation:    | 
[2001] EWHC Admin 75 | 
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| Judge(s):  | 
Ouseley J | 
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| Date:  | 
17 January 2001 |