Arrest of Immigrant Suspected in 4 Nevada Killings Draws Trump’s Attention. Illegal Immigration, Murders, Attempted Murders and Homicides, Nevada, Immigration and Customs Enforcement (US), Martinez-Guzman, Wilber, Koontz, Connie (1962-2019), Renken, Sophia (1944-2019), David, Gerald (1938-2019), David, Sharon (1938-2019)