Four people were killed, and nine others hospitalized today in a shooting at Apalachee High School in Winder, Georgia. The suspected shooter, a 14-year-old student at the school, was taken into custody by school resource officers who engaged him, according to authorities. CNN Chief Law Enforcement and Intelligence Analyst John Miller and retired FBI Supervisory Special Agent Daniel Brunner join AC360 with the latest developments and analysis. Plus, breaking news tonight on the presidential race. Former Republican congresswoman Liz Cheney, a conservative from the deep red state of Wyoming, says she’s voting for Vice President Kamala Harris this November.

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