WEST FORK, Ark. -- A married couple was found dead on a walking trail in Devil's Den State Park on Saturday afternoon, Arkansas State Police said, adding that a suspect is being sought and the deaths are being investigated as a potential double homicide.

The married couple who were murdered in front of their daughters while hiking at Devil’s Den State Park in Arkansas died as “heroes protecting their little girls,” according to the victims’ devastated family, as a massive manhunt for the killer continues.

Clinton & Cristen Brink had two girls and had just moved to Prairie Grove from out of state. They were killed at Devil's Den on Saturday.