Why former FBI Director James Comey wanted to avoid any one-on-one meetings with President Donald Trump.

Former FBI chief did not want more 1-on-1 meetings.

WASHINGTON — The day after President Donald Trump asked FBI Director James Comey to end an investigation into his former national security adviser, Comey confronted Attorney General Jeff Sessions and said he did not want to be left alone again with the president, according to current and former law enforcement officials.

Comey believed Sessions should protect the FBI from White House influence, the officials said, and pulled him aside after a meeting in February to tell him that private interactions between the FBI director and the president were inappropriate.

But Sessions could not guarantee that the president would not try to talk to Comey alone again, the officials said.

Comey did not reveal, however, what had so unnerved him about his Oval Office meeting with the president: Trump’s request that the FBI director end the investigation into former national security adviser Michael Flynn, who had just been fired. By the time Trump fired Comey last month, Comey had disclosed the meeting to a few of his closest advisers but nobody at the Justice Department, according to the officials, who did not want to be identified discussing Comey’s interactions with Trump and Sessions.

Comey will be the center of attention on Thursday during testimony before the Senate Intelligence Committee, where he is expected to be quizzed intensely about his interactions with Trump and why he decided to keep secret the president’s request to end the Flynn investigation.

Comey’s unwillingness to be alone with the president reflected how deeply Comey distrusted Trump, who he believed was trying to undermine the FBI’s independence as it conducted a highly sensitive investigation into links between Trump’s associates and Russia, the officials said. By comparison, Comey met alone at least twice with President Barack Obama.

A spokesman for the FBI declined to comment on Comey’s request. A Justice Department spokesman, Ian Prior, said “the attorney general doesn’t believe it’s appropriate to respond to media inquiries on matters that may be related to ongoing investigations.”

The Justice Department typically walls off the White House from criminal investigations to avoid even the appearance of political meddling in law enforcement. But Trump has repeatedly interjected himself in law enforcement matters.

“You have the president of the United States talking to the director of the FBI, not just about any criminal investigation, but one involving his presidential campaign,” said Matthew S. Axelrod, who served in senior Justice Department roles during the Obama administration and is now a partner at the law firm Linklaters. “That is such a sharp departure from all the past traditions and rules of the road.”

But that raises one of the questions Comey will have to answer in his testimony Thursday. If he believed that Trump was trying to get him to end an investigation, why did he not tell anyone about it?

Trump’s defenders note that acting FBI Director Andrew McCabe has said that “there has been no effort to impede our investigation.”

Separately, the Washington Post on Tuesday quoted unnamed officials as saying Director of National Intelligence Daniel Coats told associates in March that Trump asked him if he could intervene with Comey to get the bureau to back off Flynn.

On March 22, less than a week after being confirmed by the Senate, Coats attended a briefing at the White House together with officials from several government agencies. As the briefing was wrapping up, Trump asked everyone to leave the room except for Coats and CIA Director Mike Pompeo.

The president then started complaining about the FBI investigation and Comey’s handling of it, said officials familiar with the account Coats gave to associates. After the encounter, Coats discussed the conversation with other officials and decided that intervening with Comey as Trump had suggested would be inappropriate, according to officials who spoke on condition of anonymity to discuss sensitive internal matters.

Coats is scheduled to testify before the Senate Intelligence Committee today. Brian Hale, a national intelligence spokesman, declined to comment on the Post’s report.