The victims had recently moved to Prairie Grove, about 12 miles from the park. A manhunt was underway for a man described as wearing dark clothing and fingerless gloves.

State police identified the victims on Sunday as 43-year-old Clinton David Brink and his 41-year-old wife, Cristen Amanda Brink. In a statement issued on Sunday, the Arkansas State Police said the couple was killed while out hiking with their two daughter, ages 7 and 9, who were not injured in the incident.

Police are searching for an unknown suspect in the killings of Clinton David Brink, 43, and Cristen Amanda Brink, 41, according to a release from Arkansas State Police Sunday.