There are many more questions to be answered about the deadly elementary school shooting in Bend, Oregon. To explore some of them, Amna Nawaz spoke with James Densley, professor and chair of criminology and criminal justice at Metro State University. He is best known for co-creating the Violence Prevention Project, a database of mass shooters in the United States.

Two years ago, Ethel Kennedy passed away. The matriarch of the prominent political dynasty, she was a steadfast supporter of her husband, Robert F. Kennedy, and a lifelong advocate for human rights. She's now being remembered in a new book by her daughter called "Ethel Kennedy: The Extraordinary Life and Bold Legacy." Amna Nawaz sat down with Kerry Kennedy to discuss more.