Paula Hawkins achieved literary fame with a psychological thriller whose narrator is an alcoholic, suffering blackouts. The Girl on the Train sold over 18 million copies and became a $173 million-grossing DreamWorks film. Hawkins dives into the murk again with Into the Water. DreamWorks has optioned this one too. In a telephone interview from London, she tells Joeanna Rebello Fernandes how memory can be a close accomplice to crime Your last two novels hinge on how grief or trauma scrambles our reading of events and people. It tilts even more the already slanted subjectivity of truth. What drew you to this?