The case involves a conservative nonprofit with ties to a Koch brothers-founded group that gave at least $1 million to fund a campaign to win Senate confirmation of her Supreme Court nomination.
Frazier is being hailed for her bravery and quick thinking in recording the video that has been seen by millions and played a key role in former police officer Derek Chauvin's trial.
The 51-49 vote elevates Gupta to the No. 3 position inside the Justice Department, where she's expected to help shape the administration's efforts to reform policing.
Attorney General Merrick Garland announced the inquiry a day after a jury convicted former officer Derek Chauvin on murder charges in the death of George Floyd.
Cyrus Vance Jr. announced the new policy on Wednesday and appeared virtually in court to seek the dismissal of more than 5,000 prostitution-related cases dating back to the 1970s.
"It would have been unimaginable just even a month ago that something like that was possible," activist and civil rights lawyer Nekima Levy Armstrong says following Derek Chauvin's murder conviction.
Derek Chauvin is scheduled to be sentenced in June. Later this summer, his three fellow former officers are slated to go on trial on charges of aiding and abetting murder.
Across the country, jubilation and relief broke out at the guilty verdict for the former Minneapolis police officer. But many people see it as the start of a long fight toward justice.
George Floyd's siblings shared their relief and trauma after the guilty verdict of the ex-cop who killed their brother. "The world saw his life being extinguished and I could do nothing but watch."
A jury has found Derek Chauvin guilty on all three counts he faced over the killing of George Floyd. The outcome was far from guaranteed, as convictions of police officers are historically rare.
Chauvin, a former Minneapolis police officer, has been found guilty of unintentional second-degree murder, third-degree murder and second-degree manslaughter.
"I would not call today's verdict justice, however, because justice implies true restoration. But it is accountability, which is the first step towards justice," Keith Ellison said on Tuesday.
Philonise Floyd began weeping as Judge Peter Cahill read the three guilty verdicts aloud in court on Tuesday. "As an African American, we usually never get justice," he told reporters through tears.
"We know that true justice is about much more than a single verdict in a single trial," the nation's first Black president and the former first lady said in a statement.