Cari Lucille Black Elk Cline, 31, was assaulted in Sioux Park, Rapid City, on July 23, 2017, after an argument with her boyfriend, resulting in a fatal head injury. She died days later, and Benjamin Quiver was charged with second-degree manslaughter in connection with her death. The couple was seen arguing before the assault, and investigators later determined that the injury she sustained was consistent with significant blunt-force trauma. The case drew community attention because of the violence occurring in a public park that many families frequented.