 A comprehensive timeline reviewed by ABC News found law enforcement first spotted the shooter at least an hour before he opened fire, and a sniper had eyes on him up until six minutes before the shots rang out. One sniper even meeting with law enforcement on the ground to tell them the shooter's location. The gunman's motives remaining a mystery. ABC's Jay O'Brien in Grand Rapids. Being treated for mild COVID symptoms, according to his doc, President Biden at home in Rehoboth Beach, Delaware, where ABC's Selina Wang is.