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.

Police in Arkansas are searching for a suspect in the deaths of a couple who investigators said were attacked while on a wooded walking trail with their two young daughters.

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.