article_snippet: A man  pleaded guilty to manslaughter on the grounds of diminished responsibility after psychiatrists agreed A man was mentally ill at the time of the attack in April last year, and was sentenced to be detained indefinitely.
article_snippet: his family have a 'genetic vulnerability' to mental illness and his maternal grandfather, his nephew and his brother have all been affected, prosecutor Zoe Johnson QC said.
article_snippet: In 2005 he moved with he wife to Hong Kong to work for Cathay Pacific, but in 2011 he resigned and returned to Britain after being diagnosed with depression and prescribed anti-psychotic drugs.
article_snippet: Miss Johnson said: 'The psychiatrists are agreed that at the time the defendant was suffering from an abnormality of mental functioning, namely schizo-affective disorder.'
article_snippet: Miss Forshall said: 'If James hadn't become mentally ill James would have continued to live a conscientious, thoughtful and valuable life.'
article_snippet: I am satisfied that in the circumstances that if you are ever released, unless it is with the most careful control and monitoring, that there is a real risk of serious harm were there to be any future relapse.'
highlights_snippet: Killer admitted manslaughter on the grounds of diminished responsibility and was sentenced to be detained indefinitely .