A teacher who authorities say admitted to fatally stabbing a couple he didn’t know who were hiking with two of their children in an Arkansas state park is expected to have his first court appearance

Andrew James McGann, of Springdale, Arkansas, was charged with two counts of capital murder in the killings of 43-year-old Clinton David Brink and his wife, 41-year-old Cristen Amanda Brink, Arkansas State Police said.

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