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

A huge manhunt is underway for the killer of Cristen and Clinton Brink, who were murdered during a hike with their daughters on Saturday.

Relatives of Clinton and Cristen Brink described them as "heroes" for protecting their daughters, both of whom were left unharmed in the attack.