A 43-year-old man and a 41-year-old woman were killed at Devil's Den State Park in Arkansas, the state police said.

Andrew James McGann, 28, was arrested at 4:57 p.m. local time on July 30 at a business in Springdale, Arkansas, state police said.

Arkansas police say the killer of a married couple who had been hiking the remote Devil’s Den State Park with their young daughters was likely injured during the weekend attack.