The author, identified only as “a senior official in the Trump administration,” is set to release a tell-all book this month.

By Reis Thebault @ WashingtonPost.com, Nov. 4, 9:36 pm

The Justice Department is looking for identifying details about the anonymous Trump administration official who excoriated the president’s “amorality” in an unsigned New York Times opinion column last year, according to a letter the agency sent Monday.

The author of the column, whose identity has remained a secret for more than a year, has also written a tell-all book that will publish this month — and Assistant Attorney General Joseph H. Hunt wants proof that the writer is not bound by a government nondisclosure agreement.

Either that, Hunt wrote in the letter, or the book’s publisher and the author’s agents should turn over the official’s employment information: where in the government the person worked, and when he or she worked there. If the official had access to classified information, Hunt warned, the book should be “submitted for pre-publication review.” [....]