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.

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.