Court case help please!?

recently my mother told me abut a court case. it was about this boy who killed his parents because they brutally abused him and no one listened to him when he tried to tell. i believe he was 14? supposebly no one believed him cause his parents where "such nice people". but later people started to speak up and show that they may not have been the people everyone thought. anyone know the name of the boy? fisrt and last perferably(im trying to find news about the case online but so far nothing.