Luo has kept a journal of his work for a year, and he has so far recorded over 400 stories in his journal on the details and ideas of his everyday work. He hopes that these stories may help people to fight scammers as well as to gain a better understanding of police work. His experience gathered in the community has been recognized by the Beijing Municipal Public Security Bureau and promoted to other stations around the city. [Photo by Dong Ning/China.org.cn]