Sentenced:
Former Trump 2016 campaign chairman Paul Manafort: Sentenced to 7.5 years in prison this March for bank and tax fraud and crimes related to his work as a political consultant in Ukraine.
Trump's former personal attorney Michael Cohen: Received a three-year prison sentence in Dec. 2018 for tax evasion, bank fraud, lying to Congress and campaign finance violations.
Former Trump campaign adviser George Papadopoulos: Convicted of lying to investigators about about Russian contacts. He served 12 days in prison and in October, filed to run for former Rep. Katie Hill's California seat.
Dutch attorney Alex van der Zwaan: Pleaded guilty to lying to federal investigators about his work for law firm Skadden, Arps, Meagher, & Flom LLP and Affiliates in 2012. He was sentenced to 30 days in prison and a $20,000 fine.
Ex-Trump campaign deputy chairman Rick Gates: Pleaded guilty in Feb. 2018 to conspiracy and lying to the FBI. After cooperating extensively in multiple investigations, Gates was sentenced in December to 45 days in jail, three years of probation and 300 hours of community service.
Roger Stone: Sentenced to 40 months in prison for crimes that include obstruction of justice, lying to Congress and witness tampering. A federal jury convicted Stone last year after he lied to Congress about his efforts to learn more about when WikiLeaks would publish damaging emails about Hillary Clinton during the 2016 presidential election.
Former national security adviser Michael Flynn: The retired three-star general pleaded guilty to lying to the FBI in Dec. 2017.