Even if the perpetrator does not constitute a crime, it is illegal and the victim can call the police for help. The two conditions for filing a case are as follows:

1, indicating that there are criminal facts. This refers to the preliminary conclusions drawn from a quick review of the materials of reporting, reporting, accusing and surrendering. As long as you have certain evidence to prove the facts of the crime, you have the conditions to file a case.

2, need to be investigated for criminal responsibility. This means that according to the existing criminal facts and evidence, it is considered that the perpetrator should be investigated for criminal responsibility in accordance with the provisions of the criminal law, which has the second condition for filing a case. Only when the above two conditions are met can a case be filed.

Filing a case is a legal term, which refers to the litigation activities that the public security, judicial organs and other administrative law enforcement organs decide to investigate or judge the case after reviewing the materials such as reporting, accusing, reporting, surrendering and private prosecution according to their respective jurisdictions. After reviewing criminal cases or civil disputes, the judicial organs decide to classify them as litigation cases for investigation or trial, which is the initial stage of litigation activities. Including criminal cases, administrative cases and civil cases.

The main task of the Public Security Economic Investigation Brigade is to investigate domestic economic cases. It belongs to the specialized investigation department and the public security department. In order to obtain relevant evidence to prove the existence of criminal facts and the seriousness of the crime, it captures criminal suspects.

The duty of the Economic Investigation Brigade is to organize, guide and coordinate the local public security organs to investigate economic crime cases, and to participate in or directly investigate serious economic crime cases; Guide, inspect and supervise the work of economic crimes in this region, analyze and study the trends of economic crimes, and put forward countermeasures to prevent and combat economic crimes; Guide local finance, taxation departments and other key units related to the national economy and people's livelihood to carry out safety precautions.

Article 49 of the Law of People's Republic of China (PRC) on Public Security Administration Punishment: Whoever steals, swindles, robs, robs, extorts or intentionally damages public or private property shall be detained for more than five days and less than ten days, and may also be fined less than 500 yuan; If the circumstances are serious, he shall be detained for more than 10 and less than 15, and may also be fined less than 1000 yuan.