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The timeline of the investigation underscores the rapid mobilization of resources. The shooting occurred at 12:23 p.m. on a Wednesday. Local police and FBI agents responded swiftly, with the FBI arriving on scene just 16 minutes later at 12:39 p.m. to secure the crime scene. From that moment, the FBI activated various assets—fixed-wing aircraft for transporting personnel, specialized technicians, hostage rescue teams, and evidence—ensuring a comprehensive response.