How to treat the case of 13-year-old boy killing 10-year-old cousin and then dumping his body in langxi?

Recently, a case occurred in langxi, Anhui Province in which a boy aged 13 killed his cousin aged 10 and dumped his body, which shocked many people. Explain the educational problems of teenagers. Looking forward to improving and solving many social problems requires everyone's common concern and concern, and the attention of the whole society, especially. The education of left-behind children in rural areas should attract the attention and care of the whole society and arouse everyone's decoration.