Ma Moumou, age: about 35 years old, from September to October 1989, rented two east wings; Out-of-town, other circumstances unknown.

Zhao Mingyue, age: around 35 years old; From August to November 1989, he rented a room in the West Wing; Current address: No. 197, Sanming Street, Shuizuogang; Work unit: Nanjing Wuzi School (driver).

Wang Zhongkui, age: around 50 years old; From November 1989 to March 1990, he rented the south wing of the east side; Current address, unknown, work unit: Baixia District Tobacco and Liquor Company (station counter).

Chen Hongmei, about 40 years old; From April to June 1990, he rented the north wing of the east side; Current address: unknown, work unit, warehouse (administrator) of Baixia District Material Company.

Mrs. Gao, age: about 70 years old; From July to September 1990, he rented two wings in the east (the second son got married, and the old lady vacated the house she lived in for her son to get married).

Ouyang Ping took out a pen from his pocket and crossed out the names of five people, who were Zhang Guangnan, Gong Caiju, Wang Zhongkui, Chen Hongmei and Mrs. Gao.

On the tenant information provided by Che Huating, only the surname Ma and Zhao Yueming remained.

As everyone knows, the surname Ma has been excluded on the grounds that the surname Ma lived in No. 157 twice, the first time in the two wings to the east and the second time in the two west wings - the second time the surname Ma was stationed in No. 157 after the deceased was killed.

Now, there is only this Zhao Yueming in front of everyone, everyone knows that Zhao Yueming, comrades have already been in contact, judging from the content of the inquiry alone, Zhao Yueming has no problem, provided that Zhao Yueming is telling the truth, and now, the comrades have to re-examine Zhao Yueming's statement.

When Zhao Yueming lived in Impermanence Lane, he was the only one at No. 157, and after he moved in, about half a month, the surname Ma moved in, which was one of them. The investigation should revolve around this period of time.

Second, Zhao Yueming is a driver, he went back to No. 157 at night (this is Zhao Yueming himself said), at night, because of well-known reasons, there are fewer people walking around in Impermanence Lane, at this time to carry lime, it is not easy to be found by neighbors, Yan Jianhua is right, from the thickness of the lime layer of the wall, the amount of lime used is not a few, and the car just solves this problem. Now, it is necessary to find out whether Zhao Yueming drove a small car or a big car -- judging from Zhao Yueming's statement, it should be a small car, but it needs to be further verified.

Third, Zhao Yueming is not married in his thirties, is there any other reason besides the reasons he stated?

Zuo Xiangdong felt that the surname Ma was a little suspicious, and as for what was suspicious, he said that it was not good: there are three points that support this idea:

First, the time when the surname Ma rented No. 157 was very close to the time when the deceased was killed.

Second, the surnamed Ma rented two east wings, one of which was the scene of the crime.

Third, in the process of investigation, this surname Ma appeared many times, and it was impossible for everyone to bypass him.

Fourth, the reason why everyone excluded the surname Ma was based on the fact that the surname Ma had been stationed at No. 157 twice. If we think backwards, the man surnamed Ma should be the focus of the investigation - at least the subject of the investigation, because the more impossible it is, the more likely it is.