An officer was so concerned about Davis Jr.'s erratic behavior that he had spoken to his mother about possible drug use before the parents arrived on campus.
The news comes a day after Hicks was interviewed for nine hours by the panel investigating Russia interference in the 2016 election and contact between Trump's campaign and Russia.
Police in Georgia say officers have responded to reports of shots fired at a high school and a teacher who may have been barricaded in a classroom is in custody.