Police in Arkansas released a sketch Monday of a man they want to question in relation to the killing of a couple that was attacked and killed while hiking with their two young daughters at a state park in the state’s Ozark Mountains.

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.

Arkansas State Police released a composite sketch of a man seen in Devil’s Den State Park on Saturday, July 26. Investigators are asking the public for help identifying the man so that they can question him about a double homicide at the park.