The investigation found that Mao Renxing had significant financial dealings with Qin Jiru through his brother’s shell company.Wei Qingming suspected that Mao Renxing and Tan Jiru were transporting poison gas bombs to the Japanese this time, so it would be difficult for Tan Moqing to prove his innocence.The cars of Ou Xiaoan, Li Shaotang, and Tan Moqing arrived near the Xifeng checkpoint. Tan Moqing received Wen Yishan's order to return to Chongqing immediately.Tan Moqing, who returned to Chongqing Station, learned the whole story and said that he would find out whether his brother was helping the Japanese.