Clinton David Brin and his wife, Cristen Amanda Brink, were "fatally attacked" while out hiking with their two daughters at Devil's Den State Park, police said.

As the manhunt expands for a suspect in the murders of 43-year-old Clinton Brink and his 41-year-old wife, Cristen, Arkansas State Police released a composite sketch of a man seen at the park where the attack occurred and say they want to question him. NBC’s Aaron Gilchrist reports for TODAY.