Episode 252

Matt Gutman has the latest on the charges against Tyler Robinson – the suspect accused of assassinating conservative activist Charlie Kirk – including aggravated murder; Aaron Katersky has details after a judge dismissed two murder charges related to acts of terrorism for Luigi Mangione, the accused killer of UnitedHealthcare CEO Brian Thompson; David Muir remembers the life of Hollywood legend Robert Redford, who died at age 89; and more on tonight's broadcast of World News Tonight with David Muir.