John McGill, Douglas County elementary school principal, is among 14 suspects arrested during an undercover investigation by the Georgia Bureau of Investigation. McGill has been charged with traveling with the intent to meet a child for sex, the GBI said in a statement. McGill has been a principal for 14 years and was replaced at Mt. Carmel Elementary School Monday by an administrative team. An official replacement may be named at a school board meeting Monday night, officials said. The following photos are others charged in the child sex sting.