3:00 p.m. ET: New details on Georgia school massacre, Russia’s intelligence operations, death of ‘Karate Kid’ star and more – CNN 5 Things

We begin with the campaign appearances of Kamala Harris and Donald Trump in the home stretch of the 2024 U.S. race. More details emerge about the deadly shooting at a high school in Georgia last week. We learn more about the key role of Russian state media in its intelligence and influence operations around the world. Justin Timberlake pleaded guilty to a lesser offense for an incident earlier this year: driving under the influence. And “Karate Kid” actor Chad McQueen has died at the age of 63.