At the time Ahmaud Arbery was killed, Jackie Johnson had served for a decade as district attorney for the Brunswick Judicial Circuit. Greg McMichael worked in her office as an investigator before retiring in 2019.

The one-time Georgia prosecutor accused of using her office to impede the investigation into Ahmaud Arbery’s killers is set to stand trial more than four years after the Black 26-year-old’s death fueled nationwide protests over racial injustice.

Jackie Johnson spent a decade as the state’s top prosecutor for the coastal Brunswick Judicial Circuit. She’s charged with violating her oath of office and hindering police as they investigated Ahmaud Arbery’s death.

Nearly five years after Ahmaud Arbery's murder, Jackie Johnson is going to trial on charges that she used her office to interfere with police investigating Arbery's killing. Here are key things to know about the case.