Strong Poison Author:Dorothy L. Sayers Can Lord Peter Wimsey prove that Harriet Vane had not murdered her lover with arsenic, and find the real murderer? It appeared an impossible task. — The Crown's case was watertight; the police were adamant that the right person was on trial. — The judge's summing-up was also clear. 'The prisoner had the means-the arsenic. She had the opportunity ... more »to administer it.' Harriet Vane was guilty. And Harriet Vane should hang.