Why a young Ivy grad allegedly killed a health-insurance CEO

On today’s show: ABC News reports new details on the man accused of killing UnitedHealthcare CEO Brian Thompson. CNN’s Clarissa Ward takes us inside a notorious Syrian prison where some of Bashar al-Assad’s critics disappeared. Sahil Kapur of NBC News details how younger Democrats are challenging elders in the House for powerful positions. Plus, a wildfire rips through Malibu, damaging homes and spurring mass evacuations. Why the federal government wants to protect monarch butterflies. And Caitlin Clark is Time’s 2024 Athlete of the Year. Today’s episode was hosted by Shumita Basu.