Man accused of fatally shooting three people in parking lot of Target store reportedly has history of violence and mental health issues.

Austin police named Ethan Nieneker as the suspect in a North Austin Target shooting that killed three, including a child; he faces capital murder charges.

Adam Chow, along with his 4-year-old granddaughter Astrid Fung, and Rosa Martinez Machuca were killed in what police have described as a "random attack."