Arkansas State Police arrested a suspect on Wednesday in connection with the brutal slayings of a married couple at Devil’s Den State Park.

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.

Andrew James McGann, 28, was arrested at 4:57 p.m. local time on July 30 at a business in Springdale, Arkansas, state police said.