Ruiz was in Jackson's house when the attack took place. Deputy District Attorney Jon Hatami told KNBC there is no clear motive in the case.

Jackson has been charged with murder, but her original arraignment was put off when Jackson had a medical emergency.

Jackson's bail is expected to be set at more than $1 million. She faces life in prison if convicted.

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Waymo autonomous vehicles operate across 65 square miles inside I-285 and have been involved in six incidents with Atlanta Public School buses since May. Waymo issued a recall because of their cars briefly stopping or slowing down before continuing forward while a bus was stopped and flashing its lights. (Courtesy of Atlanta Public Schools)

Credit: Courtesy of Atlanta Public Schools