A former Oklahoma teacher was arrested in the killings of a married couple at Devil’s Den State Park, with two school districts confirming he previously worked in their classrooms.

A ndrew James McGann has been arrested in connection with the murders of a couple on a hike in Arkansas' Devil's Den State Park over the weekend. Clinton David Brink, 43, and Cristen Amanda Brink, 41, were found dead on a remote trail in the 2,500-acre park on Saturday. They had been hiking with their two daughters, aged 7 and 9, who were unharmed.