The original content of Democracy Now! Headlines appears under the Creative Commons BY-NC-ND 3.0 License (United States). For more, including their other shows and media, visit www.democracynow.org. February 29, 2016 Washington: Man Kills Wife and Her Children in Latest U.S. Mass Shooting ------------------------------------------------------------------------ And in the latest mass shooting in the United States, a man in Washington state killed his wife and her two teenage children, then shot and killed himself. The identity of a fourth victim has not been released yet. Police tried for hours to get David Wayne Campbell to surrender after he killed his family. On average, three women are killed by their partners every day in the United States. Topics:Domestic Violence .