The death count is around 130 around the world. With the lack of privacy settings knowledge more and more people expose their personalities by sharing n commenting n in teenage these things are at peak. So they target extreme personalities, those who are vulnerable. In teenage while you are only understanding the real world virtual world gives liberty, some may have dark secrets that are revealed during gameplay, some threatened of the already committed crimes as game task. Many of them may turn back and a small number of them may not. Age factor is probably the biggest reason of all.