Then-President Barack Obama and then-Vice President Joe Biden and Hunter Biden (son of Joe Biden) talk during a college basketball game between Georgetown Hoyas and the Duke Blue Devils on January 30, 2010 at the Verizon Center in Washington DC.
President Joe Biden hugs first lady Jill Biden, his son Hunter Biden and daughter Ashley Biden after being sworn-in during the 59th Presidential Inauguration at the U.S. Capitol in Washington, Wednesday, Jan. 20, 2021.
A Justice Department investigation into Hunter Biden's business activities has gained steam in recent months, with a flurry of witnesses providing testimony to federal investigators and more expected to provide interviews in the coming weeks, according to multiple sources familiar with the matter.
Then-President Barack Obama and then-Vice President Joe Biden and Hunter Biden (son of Joe Biden) talk during a college basketball game between Georgetown Hoyas and the Duke Blue Devils on January 30, 2010 at the Verizon Center in Washington DC.
President Joe Biden hugs first lady Jill Biden, his son Hunter Biden and daughter Ashley Biden after being sworn-in during the 59th Presidential Inauguration at the U.S. Capitol in Washington, Wednesday, Jan. 20, 2021.
Sen. Joe Biden (D-Del.) holds his daughter Ashley while taking a mock oath of office from Vice President George Bush during a ceremony on Capitol Hill, Jan. 3, 1985. Biden's sons Beau and Hunter hold the bible during the ceremony. (AP Photo/Lana Harris)
Lana Harris
FILE - In this March 24, 1988, file photo, Sen. Joseph Biden, D-Del., wearing a University of Delaware baseball cap, leaves Walter Reed Army Hospital accompanied by his son Hunter Biden in Washington. Biden had been in the hospital for 11 days so that surgeons could implant a small umbrella-like filter in a vein to prevent blood clots from reaching his lungs. (AP Photo/Adele Starr, File)
Adele Starr
Hunter Biden, right, and his stepmother Jill Biden on stage after the vice presidential debate at Washington University in St. Louis, Thursday, Oct. 2, 2008. (AP Photo/Tom Gannam)
Tom Gannam
Vice President-elect, Sen. Joe Biden, D-Del., left, stands with his son Hunter during a re-enactment of the Senate oath ceremony, Tuesday, Jan. 6, 2009, in the Old Senate Chamber on Capitol Hill in Washington. (AP Photo/Charles Dharapak)
Charles Dharapak
Vice President Joe Biden with his son Hunter Biden, right, react to the crowd as they participate in the Inaugural Parade in Washington, Tuesday, Jan. 20, 2009. (AP Photo/Gerald Herbert)
Gerald Herbert
FILE - In this Jan. 30, 2010, file photo, Vice President Joe Biden, left, with his son Hunter, right, at the Duke Georgetown NCAA college basketball game in Washington. (AP Photo/Nick Wass, File)
Nick Wass
FILE - In this Oct. 11, 2012, file photo, Hunter Biden waits for the start of the his father's, Vice President Joe Biden's, debate at Centre College in Danville, Ky. (AP Photo/Pablo Martinez Monsivais, File)
Pablo Martinez Monsivais
Family members gather for a road naming ceremony with U.S. Vice President Joe Biden, center, his son Hunter Biden, left, and his sister Valerie Biden Owens, right, joined by other family members during a ceremony to name a national road after his late son Joseph R. "Beau" Biden III, in the village of Sojevo, Kosovo, on Wednesday, Aug. 17, 2016. President Joe Biden is the guest of honor during the street dedication ceremony naming the national road Joseph R. "Beau" Biden III.AP Photo/Visar Kryeziu)
Visar Kryeziu
President-elect Joe Biden, right, embraces his son Hunter Biden, left, Saturday, Nov. 7, 2020, in Wilmington, Del. (AP Photo/Andrew Harnik, Pool)
Andrew Harnik
President Joe Biden hugs first lady Jill Biden, his son Hunter Biden and daughter Ashley Biden after being sworn-in during the 59th Presidential Inauguration at the U.S. Capitol in Washington, Wednesday, Jan. 20, 2021.(AP Photo/Carolyn Kaster)
Carolyn Kaster
Beau Biden, right, son of Hunter Biden, second from right, holds a branch from the official 2021 White House Christmas Tree that was given to him by first lady Jill Biden, left, at the White House, Monday, Nov. 22, 2021, in Washington. This year's tree is an 18.5-foot Fraser fir presented by Rusty and Beau Estes of Peak Farms in Jefferson, N.C. (AP Photo/Patrick Semansky)
Patrick Semansky
President Joe Biden, third from left, watches as his son Hunter Biden follows his grandson Beau Biden as the family leave St. Joseph on the Brandywine Catholic Church in Wilmington, Del., Saturday, Dec. 18, 2021. 365bet体育在线世界杯 is the anniversary of Neilia and Naomi Biden's death. (AP Photo/Carolyn Kaster)
Carolyn Kaster
CNN's Kara Scannell and Paula Reid contributed to this report.
The-CNN-Wire
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