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.

Devil's Den is a 2,500-acre state park near West Fork, about 140 miles northwest of Little Rock, the state capital. The park is known for its hiking trails and rock formations, and it is a short drive from the University of Arkansas in Fayetteville and Walmart’s Bentonville headquarters. It became a state park site in the 1930s.

Prosecutors in Arkansas say Andrew James McGann left a hiking trail at a state park a bloody mess after stabbing a couple to death ... and folks saw him leaving the scene with blood on his face. In new legal docs,