Episode 45

Rhiannon Ally has the latest on the deadly shooting caught on camera at an ice skating rink in Rhode Island during a high school hockey game; with the search for Nancy Guthrie now in its third week, Aaron Katersky reports on the Pima County sheriff announcing that the Guthrie family – including all siblings and spouses – have been "cleared" as suspects in her disappearance; David Muir looks back at the life and legacy of Robert Duvall, the Oscar-winning actor died at age 95 after a career spanning seven decades with iconic roles in films such as "The Godfather" and "Apocalypse Now;" and more on tonight's broadcast of World News Tonight with David Muir.