On July 1, 2021, the Shuangliu District People's Procuratorate of Chengdu City reviewed the case of Li Lei suspected of drug trafficking that was submitted for review and arrest by the Shuangliu District Bureau of the Chengdu Municipal Public Security Bureau in accordance with the law. The criminal suspect Li Lei, knowing that drugs were still being sold to drug addicts for profit, seriously obstructing the order of social management, decided to approve the arrest of suspect Li Lei.