Cristen Brink and her husband, Clinton Brink, were killed while hiking with their young daughters. Murder suspect Andrew McGann was injured in the struggle, authorities said.

A 28-year-old teacher has admitted to murdering the married couple found stabbed to death on a walking trail in an Arkansas park over the weekend in what appears to be a "completely random" attack, police said.

Arkansas authorities say a 28-year-old schoolteacher has admitted he killed a couple who were hiking with their two young daughters at a state park