https://www.mercurynews.com/2019/08/07/garden-grove-police-say-multiple-people-have-been-stabbed-at-several-scenes-in-the-city-and-neighboring-santa-ana/

Four people were killed and two others injured in a series of robberies and stabbings that started in Garden Grove and ended in Santa Ana on Wednesday evening, Aug. 7, authorities said.

It was one of the worst sprees of violence in recent Orange County history, though not the deadliest. In 2011, Scott Dekraai killed eight people in and outside of a Seal Beach salon. Nearly six years later, Dekraai, who had confessed to the murders, was sentenced to eight consecutive life sentences.