A sixth man has been arrested in connection with a child prostitution ring in Kearney, allegedly run by a Nebraska woman charged with prostituting her two daughters. Zachary Schmidt, of North Platte, has been charged in Buffalo County with first-degree sexual assault of a child. Schmidt and five other men are accused of having sex with the girl.  Authorities claim that the incidents were arranged by a woman accused of prostituting her 14 and 7-year-old daughters. The woman faces charges in Buffalo, Franklin and Furnas counties. The woman's name is not being used to protect her daughters.