No one—'present writer' included—thought the plan would work. [=no one, including me, thought the plan would work]
She is promoting her latest movie, which 'the present writer' has not yet seen. [=which I have not yet seen]
They identified the 'writer' of the mysterious letter.
(..) Gus, four orange juice. Here, eat this while you're waitin'. What are you gonna do with four orange juice? That's Axel Freed. He's a famous writer and professor. He just got out of the worst trouble of his life. Yeah? I had a teacher, used to bet with me. Horses and baseball. (..)1974 The Gambler