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.
(..) -Sir, yes, sir. , Basic Military Journalism. You gotta be shitting me, Joker. You think you're Mickey Spillane?. You think you're some kind of fucking writer?. Sir, I wrote for my high school newspaper, sir. Jesus H. Christ. You're not a writer, you're a killer. A killer, yes, sir. (..)1987 Full Metal Jacket