He Yun Jr. found that the search ability of the two of them was very limited, so he had to discuss with Li Shiqing that he must find a way to know more about some passengers when he enters the police station next time. On the Internet, they saw that the person who always liked to shoot with his mobile phone was an online celebrity named "Happy Brother". After the explosion, his colleagues broadcast live at the crime scene, and many friends and fans would go to mourn for him.