The Sacramento County Sheriff's Department has arrested four people in connection with the fatal stabbing on Wyda Way last week.  

Sebastian Flores Torres, 21, and three underage boys were arrested over the weekend and charged with stabbing a teen-aged victim and two men who tried to help him during the attack.  

One of the men, 41-year-old Shannon Gregg, later died from stabbing wounds.  

Neither the teen nor the men who were stabbed are suspected of gang ties.  

Read more: Sacramento man stabbed trying to break up fight. 

Photo courtesy of the Sacramento County Sheriff's Department.