evidence: An extraordinary archive of letters written by survivors of the Spanish flu pandemic, which paints a vivid picture of a nation gripped by fear and chaos, is helping to provide insights into life in the shadow of a killer disease. [...] In what was a cruel twist of fate, Spanish flu arrived on British shores just as soldiers were returning home from the horrors of war. [...] Spanish flu also afflicted some people with a psychosis that could lead to murder and suicide. Newspaper reports detailed some of these deaths, which the courts attributed to "delirium during influenza".