Officials said the husband was the first to be attacked while the wife guided their two children to safety before returning in an attempt to help her husband.

Arkansas state police are investigating a double homicide in Devil’s Den State Park and looking for the suspect who is still at large. A 43-year-old man and a 41-year-old woman were found dead on a walking trail about 2:40 p.m. on July 26, state police said. The case is being investigated as a pair of suspected homicides.

Police late Wednesday announced that Andrew James McGann, 28, of Springdale had been arrested on two counts of capital murder in the killings. He was taken into custody at 4:57 p.m. at a business in Springdale, the Arkansas State Police said in a news release.