Ethan Nieneker went on a deadly rampage Monday afternoon in Austin, Texas, killing a Target employee, a 66-year-old man and his 4-year-old granddaughter.

A 32-year-old man was arrested on August 11 after allegedly shooting and killing two adults and a child in a north Austin Target parking lot in what police described as a random and unprovoked attack.

The three people killed outside a Target in Austin, Texas, on Aug. 11 were identified, including a 4-year-old and a store employee.