Police believe Andrew James McGann, 28, fatally stabbed Clinton David Brink, 43, and his wife, Cristen Amanda Brink, 42, while hiking with their 7- and 9-year-old daughters in Arkansas’ Devil’s Den State Park on July 26. The children are now being looked after by family members.

Teacher Andrew James McGann is accused of killing Clinton David Brink and Cristen Amanda Brink while they were hiking in Arkansas' Devil's Den State Park.

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.