David Johnson, a 51-year-old man, has been arrested for the fatal shooting of his sister, 45-year-old Adrienne Johnson, in Riverside. The incident occurred on September 11 as Adrienne was getting into her car after work at a business on Jurupa Avenue, when David allegedly shot her multiple times before fleeing the scene. Emergency responders pronounced Adrienne dead upon arrival. David was apprehended on Friday and is being held without bail on charges of murder and recklessly discharging a firearm. The motive for the shooting remains unclear, and the investigation is ongoing. Authorities have urged anyone with information to come forward.