Rep. Jerry Nadler also reportedly pushed Democrats to have Trump's lawyers more involved.
"It's unfair, and it's unprecedented, and it's unconstitutional," Nadler reportedly told Schiff, according to an excerpt from "Unchecked: The Untold Story Behind Congress's Botched Impeachments of Donald Trump."
In the end, Schiff's House Intelligence Committee took the lead role in handling Trump's impeachment, a break from the historic tradition of the Judiciary Committee handling such proceedings.
"I write the rules of my committee, not you," Nadler reportedly told his colleague once.
Schiff, according to the book, retorted, "I don't really care about your resentment.