Zhang Xiucai asked Liangyou to go out for business. The next morning, Zhang Xiucai first went to the ferry boat of Li Chuanfu and waited. Li Chuanfu was always greedy for money, and now seeing Zhang Xiucai alone with silver, he made a fortune and killed the river. Later, he waited for Zhang Xiu to appear, and sent Li Chuanfu to inquire. Li Chuanfu went to his home and asked Qimen: "Is Zhang Zhangzi, Zhang Niangzi, Zhang Xiucai at home?" When asked about the situation, he knew that Li Chuanfu was a murderer. Based on the above information, which of the following situations best supports the judgment of the county order? ['Li Chuanfu has long been notorious for money.', "Li Chuanfu's knock on the door is called Mrs. Zhang, she must know that there is no husband in the door.", 'The friends who went with Zhang Xiucai are good friends.', "The road from Zhang Xiucai's home to the ferry has always been peaceful."]