A North Carolina teacher stepped down after a sixth-grade student sent his mother a selfie showing him with tape covering his mouth because he was being too chatty in class — and his shocked parent is now seeking answers over the incident that left her child feeling “humiliated.”

Catherine Webster said her 11-year-old son Brady, a student at Smithfield Middle School, texted the disturbing image of himself with painter’s tape over his mouth on Feb. 13, WRAL reported.