The case against a former Georgia prosecutor accused of interfering with the police investigation into the 2020 killing of Ahmaud Arbery has taken a blow in the courtroom.

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.

Wanda Cooper-Jones pauses to compose herself as she testifies about a police officer calling her to tell her son Ahmaud Arbery had been shot dead while committing a burglary.

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.

The case against a former district attorney took a blow as a police supervisor testified the accused prosecutor never obstructed her during the investigation of Ahmaud Arbery's murder.