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.

A father and mother who died on an Arkansas hiking trail were stabbed to death and a 28-year-old schoolteacher has been charged in the killings.

Officials say a 28-year-old Arkansas man has been arrested in the killings of a married couple in front of their children at Devil’s Den State Park over the weekend.

Arkansas police have released a photo of a man wanted for questioning in their investigation into the killing of a married couple at Devil's Den State Park.