a. Plead guilty to what charges? b. I thought Mueller is tasked to investigate collusion with Russia.
a.
Pleaded Guilty and Known to Be Cooperating...
1. George Papadopoulos
Mr. Papadopoulos, a former foreign policy adviser to the Trump campaign,
pleaded guilty on Oct. 5 to lying to the F.B.I. about a conversation with a professor during which he was told that Moscow had “dirt” on Hillary Clinton and “thousands of emails,” according to court records.
2. Michael T. Flynn
Mr. Flynn, President Trump’s first national security adviser,
pleaded guilty in early December to lying to the F.B.I. about conversations he had in 2016 with the Russian ambassador to the United States at the time, Sergey I. Kislyak.
3..Richard Pinedo
Richard Pinedo, a Southern California computer science major,
pleaded guilty in February to identity fraud after he created and sold fake bank accounts from 2014 through the end of 2017. While his indictment supported the charges Mr. Mueller brought against 13 Russian nationals for election meddling, a spokesman for the special counsel said prosecutors had “no evidence and there is no allegation he was a witting participant in the Russian efforts to interfere in U.S. elections and political processes.”
Mr. Pinedo has been cooperating with the Mueller investigation
4. Alex van der Zwaan
The son-in-law of a Russian billionaire and a lawyer who worked with the former Trump campaign aides Rick Gates and Paul Manafort, Mr. van der Zwaan
pleaded guilty on Tuesday to lying to prosecutors about a conversation he had with Mr. Gates in September 2016.
In April, Mr. van der Zwaan
became the first person to be sentenced in the special counsel’s investigation. He was sentenced to 30 days in prison and fined $20,000.
5. Rick Gates
Rick Gates, the former deputy chairman for Mr. Trump’s presidential campaign,
pleaded guilty in February to a pair of charges, conspiracy against the United States and lying to investigators.
Mr. Gates also said he would cooperate with the special counsel’s investigation.
b.
The scope of Mueller's investigation is defined here.....
What is Mueller’s Jurisdiction?
The
order by Deputy Attorney General Rod Rosenstein appointing Mueller states:
(b) The Special Counsel is authorized to conduct the investigation confirmed by then-FBI Director James B. Comey in testimony before the House Permanent Select Committee on Intelligence on March 20, 2017, including:
(i) any links and/or coordination between the Russian government and individuals associated with the campaign of President Donald Trump; and
(ii) any matters that arose or may arise directly from the investigation; and
(iii) any other matters within the scope of 28 C.F.R. § 600.4(a).
(c)
If the Special Counsel believes it is necessary and appropriate, the Special Counsel is authorized to prosecute federal crimes arising from the investigation of these matters. .