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 4-year-old girl, her grandfather and a Target employee have been identified as the victims killed in a shooting outside of a Target store in Austin, Texas, according to police.

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."