The department told the House Judiciary Committee chair a disclosure could compromise the president's ongoing special counsel probe.
President Joe Biden is set to meet with House Speaker Kevin McCarthy on Wednesday.
The Congressional Black Caucus invited Nichols' family to the event as Biden speaks before Congress on Feb. 7.
The twice-impeached former president, the subject of several criminal investigations, said President Joe Biden's administration is risking nuclear war.
"The Daily Show" mocked the Texan's partisan takes on classified material improperly stored by Donald Trump, Joe Biden and Mike Pence.
The disturbing videos released by Memphis police show officers beating the driver, who died several days after his arrest.
A top Republican and conservative media hosts have been leveling baseless claims against an obscure former Biden official who is Asian American.
Zients, a onetime White House COVID-19 response coordinator, will replace Ron Klain who said it was the “right time” for a transition.
The five Memphis, Tennessee, officers who arrested the young Black man have all been charged with second-degree murder.
The request comes after discoveries of classified materials in the homes of President Joe Biden and former Vice President Mike Pence.