a boy says he once saw the suspect hitting uemura. >> translator: uemura said he no longer wanted to play around with the group. i guess somebody told that to the leader. he made uemura sit on the ground and struck him hard a couple of times. >> uemura had sent a mobile phone message before he was murdered. he was asking friends for help saying his life was in danger. people placed flowers where he died. >> translator: my child is 13, the same age as the boy. i prayed for him as if he were my own son. >> translator: my grandchild is around the same age and lives in the same city. i get the feeling something like this could happen to us too. >> and prime minister abe has offered his condolences to the boy's family. >> translator: protecting children is the responsibility of adults. i will do whatever i can to ensure such a terrible incident never happens again. >> abe called on authorities to examine whether there was enough coordination between the school, the local board of education, police, and child welfare offices. the boy's teachers did not notice changes in the circle of frien