slip through the net [criminal investigation]

Ying Cheng rushed to investigate the case, picked up a homeless man by chance, searched and searched, and somehow found out a wife for himself. ——"My name is Jiang Huan. If you return it, return it." ——"Jiang Han used to be a guest, and he returned it every time he met drunk. Is this what you mean?" Come home with me. For the sake of how much you love me, I will take care of you by doing the laundry and cooking." Jiang shook his hand back and scalded his fingers on the spot. ——This person is shameless... That's what he said, but he still can't eat cold food or cold food.So Captain Ying picked up a wife, but Mrs. Jiang raised a son. Since she had Jiang to take care of her, Ying Cheng finally lived a happy life of hot porridge and hot meals.However, with the deepening of the case, the identity of the vagabond Jiang Hsien gradually surfaced... Ying Cheng belatedly discovered that he was the source of all the suffering. ——"Ying Cheng, I can die for you, but I can't say it. I can't." Police Uncle and Police Sister