The man suspected of smashing the skull of fifty-one-year-old Li Jianli, the owner of a Japanese automobile, has been arrested by police in Xi’an; he is twenty-one-year-old plasterer Cai Yang.Cai Yang came to Xi’an from his hometown of Nanyang [seven hours away by train], plastered walls for two years, and was excited to be earning 200 yuan [$34] a day.