Last month, a wave of public outrage swept the internet over a court’s ruling to give a 78-year-old child sexual abuser a lenient 18-month probation sentence in the southern province of Ba Ria-Vung Tau.

Duong Thu Hien, a fourth grader at Nhan Chinh Primary School for hearing-impaired children in Hanoi, looked attentively at a slideshow featuring a stranger using candy to persuade a little girl to follow him.