The murder victim’s mother was desperate for answers on Wednesday, May 15, when she logged on to a Zoom meeting with the prosecutor whose office convinced a jury to convict her son’s killer. Travis County district attorney José Garza had promised Sheila Foster an update on the clemency request for Daniel Perry, the former Army sergeant and Uber driver who shot her son Garrett Foster. In 2020, Perry had run a red light and driven into a crowd of Black Lives Matter protesters, when Foster, an Air Force veteran who was in legal possession of a rifle, approached his car. Perry then shot him five times. No witnesses testified that Foster raised his gun at Perry, and, when questioned by the authorities following the shooting,…