Where the investigations related to President Donald Trump stand and what may lie ahead for him:
WHAT DO I NEED TO KNOW?
Democrats will "never" see President Donald Trump's tax returns, White House chief of staff Mick Mulvaney said on Sunday, as a new front opened in the confrontation between the administration and Congress.
Mulvaney accused Democrats of engaging in a "political stunt" and wanting "attention" after the chairman of the House Ways and Means Committee, Rep. Richard Neal, asked the IRS to provide six years of Trump's personal tax returns and the returns for some of his businesses.
"That is not going to happen and they know it," Mulvaney told "Fox News Sunday." Asked whether he believe Democrats would ever view the president's returns, Mulvaney replied: "Oh no, never. Nor should they."
Last week, Massachusetts Democrat Neal, one of only three congressional officials authorized to request tax returns, requested Trump's personal and business returns in a letter to IRS Commissioner Charles Rettig. He asked for returns covering 2013 through 2018. He also asked for the documents in seven days, setting an April 10 deadline.
DID THE TRUMP CAMPAIGN COLLUDE WITH RUSSIA?
According to special counsel Robert Mueller, the answer is no.
In his letter dated March 24, Attorney General William Barr quotes from Mueller's report saying the investigation "did not establish that members of the Trump Campaign conspired or coordinated with the Russian government in its election interference activities."
The letter does not detail what Mueller learned about a broad range of Trump associates who had Russia-related contacts during the 2016 presidential campaign and transition period. It also doesn't answer why several of those people lied to federal investigators or Congress during the Russia probe.
Barr is confronting concerns that his four-page letter unduly sanitized the full report in Trump's favor, including on the key question of whether the president obstructed justice. House Democrats have approved subpoenas for Mueller's entire report and any exhibits and other underlying evidence that the Justice Department might withhold.
IS TRUMP OUT OF THE WOODS?
Trump also plays a central role in a separate case in New York, where prosecutors have implicated him in a crime. They say Trump directed his personal lawyer Michael Cohen to make illegal hush-money payments to two women as a way to quash potential sex scandals during the campaign. New York prosecutors also are looking into Trump's inaugural fund.
Congressional investigations also are swirling around the president. Democrats have launched a sweeping probe of Trump, an aggressive investigation that threatens to shadow the president through the 2020 election season.