Special counsel Robert Mueller Robert (Bob) MuellerCNN's Toobin warns McCabe is in 'perilous condition' with emboldened Trump CNN anchor rips Trump over Stone while evoking Clinton-Lynch tarmac meeting The Hill's 12:30 Report: New Hampshire fallout MORE outlined his investigation’s findings and explained why President Trump Donald John TrumpBiden on Trump's refusal to commit to peaceful transfer of power: 'What country are we in?' Romney: 'Unthinkable and unacceptable' to not commit to peaceful transition of power Two Louisville police officers shot amid Breonna Taylor grand jury protests MORE was not charged with a crime when he delivered his first public comments on Wednesday about his two-year probe.

Mueller said he does not intend to speak again publicly about the investigation, saying the 448-page report on the matter is his testimony.

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But that doesn’t mean all of the questions surrounding Mueller have been answered.

Here are five lingering questions in the aftermath of his remarks.

Will Dems subpoena Mueller?

Mueller doesn’t want to testify to Congress, but that doesn’t mean he won’t be brought to Capitol Hill.

Democrats have said they will subpoena Mueller if they have to, describing his testimony as crucial to understanding how Trump may have obstructed his investigation.

But the optics are risky for the party, given Mueller’s public standing.

House Judiciary Committee Chairman Jerrold Nadler Jerrold (Jerry) Lewis NadlerDemocrats shoot down talk of expanding Supreme Court Schumer: 'Nothing is off the table' if GOP moves forward with Ginsburg replacement Top Democrats call for DOJ watchdog to probe Barr over possible 2020 election influence MORE (D-N.Y.) has repeatedly said a subpoena for Mueller is on the table, and it’s unclear how Mueller’s remarks will effect Nadler’s calculus.

At a press conference, the Judiciary chairman sidestepped questions, saying: “Mr. Mueller told us a lot of what we need to hear today.”

House Majority Leader Steny Hoyer Steny Hamilton HoyerOVERNIGHT ENERGY: California seeks to sell only electric cars by 2035 | EPA threatens to close New York City office after Trump threats to 'anarchist' cities | House energy package sparks criticism from left and right House energy package sparks criticism from left and right Hoyer: House should vote on COVID-19 aid — with or without a bipartisan deal MORE (D-Md.) was firmer. He said Wednesday that Mueller “needs to testify” before Congress.

House Intelligence Committee Chairman Adam Schiff Adam Bennett SchiffPelosi, Democrats unveil bills to rein in alleged White House abuses of power Chris Matthews ripped for complimenting Trump's 'true presidential behavior' on Ginsburg Trump casts doubt on Ginsburg statement, wonders if it was written by Schiff, Pelosi or Schumer MORE (D-Calif.), whose panel has also sought Mueller’s testimony, said lawmakers “look forward” to Mueller’s appearance."

“While I understand his reluctance to answer hypotheticals or deviate from the carefully worded conclusions he drew on his charging decisions, there are, nevertheless, a great many questions he can answer that go beyond the report,” Schiff said in a statement.

Did this help or hurt Dem impeachment push?

Mueller’s remarks added fuel to a roiling Democratic debate over impeachment.

Some seized on his remarks that the Constitution “requires a process other than the criminal justice system to formally accuse a sitting president of wrongdoing” to argue he was giving a green light to impeachment.

“The ball is in our court, Congress,” tweeted Rep. Justin Amash Justin AmashInternal Democratic poll shows tight race in contest to replace Amash Centrist Democrats 'strongly considering' discharge petition on GOP PPP bill On The Trail: How Nancy Pelosi could improbably become president MORE (R-Mich.), the lone Republican to publicly accuse Trump of engaging in impeachable conduct.

Democratic congressional leaders have opposed impeachment, and they appeared to be toeing the line on Wednesday.

Neither Speaker Nancy Pelosi Nancy PelosiHoyer: House should vote on COVID-19 aid — with or without a bipartisan deal Ruth Bader Ginsburg lies in repose at Supreme Court McCarthy threatens motion to oust Pelosi if she moves forward with impeachment MORE (D-Calif.) nor Senate Minority Leader Charles Schumer Chuck SchumerCruz blocks amended resolution honoring Ginsburg over language about her dying wish Senate Democrats introduce legislation to probe politicization of pandemic response Schumer interrupted during live briefing by heckler: 'Stop lying to the people' MORE (D-N.Y.) mentioned impeachment in their respective statements reacting to Mueller’s remarks, and instead called for continued investigations.

Republicans reacted to Mueller’s remarks by saying it is time to move on, something they’ve been arguing for the last two months.

Pelosi has been walking a tight rope on the issue, balancing rising calls from her party’s liberal base to move forward with impeachment with the more careful calibrations of lawmakers representing swing districts. And the momentum building for impeachment after Mueller's remarks is only making her job tougher.

Without DOJ’s guidance, would Mueller have charged Trump?

Mueller made it clear on Wednesday that his office felt that they were never in a position to charge Trump given longstanding Department of Justice guidance.

He cited a decades-old memo from the Office of Legal Counsel (OLC) stating that a sitting president cannot be indicted.

Attorney General William Barr Bill BarrHarris faces pivotal moment with Supreme Court battle Hillicon Valley: DOJ proposes tech liability shield reform to Congress | Treasury sanctions individuals, groups tied to Russian malign influence activities | House Republican introduces bill to set standards for self-driving cars McCarthy threatens motion to oust Pelosi if she moves forward with impeachment MORE has previously said the guidance was not the deciding factor in Mueller’s decision to not say whether Trump had obstructed justice.

But the special counsel on Wednesday suggested otherwise, calling charging Trump “not an option.”

Elie Honig, one of nearly 1,000 former federal prosecutors who signed an open letter saying there is enough evidence to charge Trump with obstruction, said he believed Mueller was saying that he would have pursued an obstruction charge if he were able to.

“I think he made it quite clear that the OLC opinion, at a minimum, was the primary factor keeping him from recommending an indictment of the president, or from indicting the president,” Honig said.

Barr told senators in April that Mueller "reiterated several times in a group meeting that he was not saying that but for the OLC opinion he would have found obstruction."

Representatives for the Justice Department and Mueller's office said Wednesday that there was "no conflict" between statements made by Barr and Mueller about the role of the Justice Department opinion in the special counsel's determination on obstruction.

What will Barr will do next?

Barr is likely to come under additional fire from Democrats, some of whom took Mueller’s comments as further proof that the attorney general inaccurately portrayed the special counsel’s findings in a four-page memo released in March.

But Mueller sought to tamp down furor over a perceived break between him and Barr in his remarks, acknowledging that the attorney general preferred to release the report all at once.

“We appreciate that the attorney general made the report largely public,” Mueller said. “I do not question the attorney general’s good faith in that decision.”

Barr faced widespread criticism from Democrats over his handling of Mueller’s 448-page report, particularly over the four-page summary of Mueller’s conclusions.

A letter Mueller sent to Barr shortly after the summary was released came to light earlier this month, in which the special counsel said that Barr “did not fully capture the context, nature, and substance of this Office's work and conclusions.”

Barr said in testimony before Congress that Mueller later told him in a phone call that he didn’t take issue with Barr’s summary per se, but rather the media coverage surrounding it.

Still, Democrats on Wednesday furthered their criticism of Barr, claiming the attorney general had no right to decide not to charge Trump with obstruction of justice and that the task should have been left up to them.

At the same time, Barr has already moved to investigate the origins of the Russia probe. He said last month that he has concerns over how federal investigators began their efforts, suggesting that he thought there was “spying” on the Trump campaign and that he was looking into whether the intelligence gathering was adequately predicated.

Trump last week ordered intelligence heads to cooperate with Barr’s inquiry and gave Barr broad powers to declassify materials related to the investigation.

And Republicans on Capitol Hill and the White House alike are throwing their weight behind Barr’s investigation, viewing it as a way to prove their claims of anti-Trump bias at the Department of Justice and other federal agencies.

“Now it’s time to turn to the origins of the Russia hoax and get to the bottom of why the Trump campaign was spied on by the Obama-era DOJ and FBI,” the Trump campaign said in a statement Wednesday, after Mueller’s press conference.

“Anyone who is for transparency, constitutional civil liberties, and the rule of law should want to know why human sources, wiretapping, and unmasking were used to infiltrate a presidential campaign.”

Does Congress heed Mueller’s warning on election interference?

Discussion of whether Trump obstructed justice is sure to dominate headlines in the aftermath of Mueller’s public remarks, but the special counsel used his final moments at the podium to underscore the threat of foreign election interference.

“I will close by reiterating the central allegation of our indictments — that there were multiple, systematic efforts to interfere in our election,” he said. “That allegation deserves the attention of every American.”

While intelligence officials long ago concluded that Russia interfered in the 2016 presidential election, Congress has done little to guard against it moving forward.

Shortly after Mueller concluded his statement, Senate Democrats took up a renewed push to pass legislation increasing election security.

Pelosi urged the Senate to take up H.R. 1, a wide-ranging election and ethics reform bill, and pledged that Congress will “legislate to protect our elections and secure our democracy.”

Senate Majority Leader Mitch McConnell Addison (Mitch) Mitchell McConnellFEC flags McConnell campaign over suspected accounting errors Poll: 59 percent think president elected in November should name next Supreme Court justice Mark Kelly: Arizona Senate race winner should be sworn in 'promptly' MORE (R-Ky.) has declared the House bill dead on arrival in the GOP-controlled Senate. He and other Senate Republicans are refusing to take up other election security measures, arguing that the book has been closed on the 2016 election.

Trump has largely avoided acknowledging Russian interference in the 2016 election, making it unclear how much support the legislation will receive from the White House.

“We know there was interference,” White House press secretary Sarah Huckabee Sarah Elizabeth SandersSarah Sanders on Trump's reported war dead criticism: 'Those comments didn't happen' Sarah Sanders memoir reportedly says Trump joked she should hook up with Kim Jong Un McEnany stamps her brand on White House press operation MORE Sanders told reporters. “It didn't happen on our watch. It happened on [the Obama administration’s], and we're actually cleaning up the mess and trying to make sure it doesn't happen again.”