A shooter shot and killed three people, including a child, at a Target on Research Boulevard in North Austin on Monday. Here's a timeline of what happened.

Three people were killed and a suspect was arrested after a shooting at a Target store parking lot in North Austin, police said.

The suspect, 32-year-old Ethan Nieneker, allegedly first shot Hector Leopoldo Martinez Machuca, a Target employee, as he was collecting carts in the parking lot on Monday afternoon, Austin Police Sgt. Nathan Sexton said at a news conference on Tuesday.