Ethan Nieneker, 32, is accused of killing three people, including a 4-year-old girl, outside a Target store in Austin, Texas.

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

Ethan Nieneker, a 32-year-old white man, spent time behind bars in 2016 and 2017 for family violence, driving while intoxicated and for violating the terms of his bond or protective order, according to court records.