1. What is the subtitle of Patricia Cornwell's book "Portrait of a Killer"? Jack the Ripper – Case Closed Jack the Ripper – Beyond Identity Jack the Ripper – Body of Evidence Jack the Ripper – Royal Conspiracy

2. To whom did Patricia Cornwell dedicate this book? Drs Paul Ferrara and Marcella Fierro (forensic scientists) John Grieve (Deputy Assistant Commissioner, Scotland Yard) Peter Bower (forensic paper expert and paper historian) Linda Fairstein (prosecutor, novelist, mentor and best friend)

3. In her book, Patricia Cornwell presents arguments and evidence to support her theory that Walter Sickert was "Jack the Ripper". What was Walter Sickert's main occupation? butcher soldier writer artist

4. According to the Guardian Newspapers Limited, Patricia Cornwell spent about 2 million pounds buying up some of Sickert's belongings in an effort to find evidence to support her theory. What did she buy? all of the choices are correct some of his letters his writing desk some of his paintings

5. In his early life, Walter Sickert was an actor. What was his stage-name? He didn't use a stage name Richard Sickert Mr Nemo Jack Sickert

6. In her quest for DNA evidence, Patricia Cornwell and her team swabbed a number of Walter Sickert's personal belongings. Which of the following finally yielded some usable DNA samples? his top hat his favourite pipe his false teeth his correspondence

7. Peter Bower (paper historian and forensic paper expert) assisted Patricia Cornwell in her examination of letters written by Walter Sickert and Jack the Ripper. Sickert's personal stationery was of particular significance. During the 19th century, well-to-do people like Sickert ordered their personalised stationery by the quire. How many sheets of paper were in a quire? 36 24 50 100

8. What was unique about the "Ripper" letter that the police received on October 14th, 1896? it was signed with one of Sickert's aliases it yielded the best DNA sample it clearly showed two fingerprints in red ink it was written with a paintbrush dipped in blood

9. Another of Cornwell's arguments centred on Sickert's attitude towards women. The three most important women in his life – his mother, his sister and his (first) wife all shared the same nickname. What was it? Ellie Nelly Annie Lizzie

10. In "Portrait of a Killer", Patricia Cornwell characterises Sickert as a psychopath who loathed women. She believes that a medical condition was an important factor in his mental state. What was the nature of his medical condition? a penile fistula gonorrhoea syphilis prolapsed piles (haemorrhoids)