Fox News reporting that a source confirms Comey memo re Trump meeting;
says he takes "copious" notes and the comments were "noteworthy"

Tweet that predicted Comey’s “protective paper trail”

From May 11, in response to Axios reporter Jonathan Swan tweeting "Comey's revenge is only just beginning":

One thing I learned at DOJ about Comey: he leaves a protective paper trail
whenever he deems something inappropriat…
— Matthew Miller (@matthewamiller)