“When they were questioning me, it seemed like they were still trying to get a feel of the basic landscape of the place,” said one witness who was questioned in late October for several hours and, like others, requested anonymity to describe the confidential sessions. “I didn’t get the sense they had anything incriminating on the president. Nor were they anywhere close to done.”…

The volume of questions about Kushner in their interviews surprised some witnesses.

“I remember specifically being asked about Jared a number of times,” said one witness.

Another witness said agents and prosecutors repeatedly asked him about Trump’s decision-making during the May weekend he decided to fire FBI Director James B. Comey. Prosecutors inquired whether Kushner had pushed the president to jettison Comey, according to two people familiar with the interview.