Clinton David Brin and his wife, Cristen Amanda Brink, were "fatally attacked" while out hiking with their two daughters at Devil's Den State Park, police said.

LITTLE ROCK, Ark. (AP) — A teacher admitted he fatally stabbed a couple he didn’t know who were hiking with two of their children in an Arkansas state park, authorities said Thursday, after a five-day search and hundreds of tips led to his arrest.

James Andrew McGann, 28, was arrested and charged with two counts of capital murder in the deaths of Clinton and Cristen Brink, authorities said.