A grandfather and granddaughter killed in Monday’s shooting at a Target in Austin have been identified as the 32-year-old alleged gunman is now facing three murder charges.

Austin police shared a closer look on Tuesday about the start of the shooting leading up to the suspect's arrest.

Ethan Nieneker, 32, has been charged with murdering four-year-old Astrid Chow along with her grandad Adam Chow and a Target ...