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 McGann, 28, moved between Texas, Oklahoma and Arkansas school districts before allegedly killing Clinton and Cristen Brink in front of their children.

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.