https://www.mercurynews.com/2019/08/06/fbi-opening-domestic-terrorism-investigation-into-gilroy-garlic-festival-shooting/

The gunman behind the deadly attack on the Gilroy Garlic Festival left no manifesto but showed signs of “exploring violent ideologies,” an FBI agent said Tuesday, announcing a domestic terrorism investigation has been launched into the attack.

The gunman, Santino William Legan, 19, left no evidence that he was inspired by previous mass shootings but FBI special agent-in-charge John Bennett described his ideology as “fractured” and said it’s still unclear “what, if any, ideology he settled on.”