evidence: Timeline: The Trump investigation in Fulton County, Georgia [...] Nov. 12: Georgia Secretary of State Brad Raffensperger, a Republican, says there was no evidence of voter fraud in the state. [...] Jan. 20: Willis asks Fulton County's chief judge to impanel a special purpose grand jury to aid in her investigation, in part because "a significant number of witnesses and prospective witnesses have refused to cooperate with the investigation absent a subpoena requiring their testimony." Her request is granted soon after.