[5] Willis investigated the 2020 presidential election in Georgia, which resulted in indictments against Donald Trump and 18 alleged co-conspirators on charges of racketeering and other crimes.

Willis also investigated and apprehended rapper Young Thug and members of his YSL record label on charges of racketeering and gang-related crimes in violation of Georgia's RICO Act.

Her father, John C. Floyd III, was a founder of a faction of the Black Panthers but grew disillusioned by the movement's infighting.

[6] When Willis was in the first grade, her family moved to Washington, D.C., where her father practiced law as a criminal defense attorney.

Willis, an assistant district attorney at the time, served as lead prosecutor in the 2014 to 2015 trial of twelve educators accused of correcting answers entered by students to inflate the scores of state administered standardized tests.

[13] In 2020, Willis was elected district attorney for Fulton County, defeating Paul Howard Jr., a six-term incumbent and her former boss.

[17] In 2022, an employee in the Fulton County District Attorney's Office alleged that Willis fired her for uncovering plans to misuse federal grant funding.

[25] On February 10, 2021, Willis launched a criminal investigation into Donald Trump's attempts to influence Georgia election officials—including the governor, the attorney general, and Secretary of State Brad Raffensperger via a telephone call—to "find" enough votes to override Joe Biden's win in that state and thus undo Biden's victory in the 2020 presidential election.

[29][30] In May, a 26-member special grand jury was given investigative authority and subpoena power and tasked with submitting a report to the judge and Willis on whether a crime was committed.

[34] After hearing from 75 witnesses—including former US Senator Kelly Loeffler, former White House Counsel Pat Cipollone,[35] and possibly Sidney Powell[36]—the special grand jury completed its work and was dissolved on January 9, 2023.

[53] In May 2022, Willis's office indicted Young Thug and 28 members of his YSL record label for gang-related crimes under Georgia's RICO statute.