WASHINGTON — The Justice Division is analyzing communications between right-wing extremists who breached the Capitol and Roger J. Stone Jr., an in depth affiliate of former President Donald J. Trump, to find out whether or not Mr. Stone performed any function within the extremists’ plans to disrupt the certification of President Biden’s electoral victory, an individual aware of the matter stated on Saturday.

Ought to investigators discover messages displaying that Mr. Stone knew about or took half in these plans, they might have a factual foundation to open a full prison investigation into him, in accordance with the individual, who spoke on the situation of anonymity to debate a unbroken inquiry. Whereas that’s removed from sure, the individual stated, prosecutors within the U.S. lawyer’s workplace in Washington are probably to take action in the event that they discover that connection.

Mr. Stone, a self-described fixer for Mr. Trump, evaded a 40-month jail time period when the previous president commuted his sentence in July and pardoned him in late December. Mr. Stone had been convicted on seven felony charges, which included obstructing a Home inquiry into doable ties between the Trump marketing campaign and Russia’s efforts to intrude within the 2016 election, mendacity to Congress and witness tampering. However that pardon doesn’t shield Mr. Stone from future prosecutions.

Justice Division officers have debated for weeks whether or not to open a full investigation into Mr. Stone, the individual stated. Whereas Mr. Stone spoke at an incendiary rally a day earlier than the assault, had right-wing extremists act as his bodyguards and stood exterior the Capitol, these actions themselves usually are not crimes.

However the F.B.I. additionally has video and different data to recommend that within the days resulting in and together with the day of the assault, Mr. Stone related to males who ultimately stormed the constructing and broke the regulation, stated the individual aware of the inquiry. That has given investigators a window to look at communications to see whether or not Mr. Stone knew of any plans to breach the advanced.

The New York Occasions has identified at least six members of the Oath Keepers, a far-right extremist group based by former navy and regulation enforcement personnel, who guarded Mr. Stone and have been later seen contained in the Capitol after a pro-Trump mob took the constructing by power. Prosecutors have charged two of these males with conspiring to assault Congress.

“I categorically deny any involvement or information of the assault on the Capitol,” Mr. Stone stated in an announcement to The New York Occasions. “I stated on the time that no actual supporter of the president who was sane would stage a riot, considering that trespassing, destroying public property and menacing members of Congress would assist the president’s trigger.”

He reiterated an earlier assertion that these concerned within the assault ought to be prosecuted, and stated that the truth that he was “supplied voluntary safety by the Oath Keepers” doesn’t represent proof that he was concerned in or knowledgeable about plans to assault the Capitol.

A Justice Division spokesman declined to remark. The Washington Publish earlier reported that the Justice Division was scrutinizing Mr. Stone’s doable ties to right-wing extremists on the Capitol.

A day after the Capitol assault, Michael Sherwin, the U.S. lawyer in Washington, told reporters that he wouldn’t rule out pursuing prices in opposition to Mr. Trump or his associates for his or her doable function in inciting or in any other case encouraging the mob.

“We’re taking a look at all actors, not solely the individuals who went into the constructing,” Mr. Sherwin stated. Requested whether or not such targets would come with Mr. Trump, who exhorted supporters throughout a rally close to the White Home on Jan. 6, telling them that they may by no means “take again our nation with weak spot,” Mr. Sherwin stood by his assertion. “We’re taking a look at all actors,” he stated. “If the proof matches the weather of a criminal offense, they’re going to be charged.”

One other member of Mr. Sherwin’s workplace appeared to stroll again these remarks quickly after, suggesting that individuals in Mr. Trump’s orbit have been unlikely to be investigated. However Mr. Sherwin later stated he stood by his authentic assertion.