How to investigate if a criminal case file is lost?

Legal analysis: First, the victim should call the police in time, and then conduct a forensic appraisal to determine the legal liability of the attacker based on the appraisal results. First of all, if the injury is determined to be minor, the public security organs will impose security penalties on the attacker and bear the victim's medical expenses, lost work expenses and other expenses.

Legal basis: Article 43 of the "Law of the People's Republic of China on Public Security Administration Punishments": "Whoever beats others, or intentionally injures others' bodies, shall be detained for not less than five days but not more than ten days" , and shall be fined not less than 200 yuan but not more than 500 yuan; if the circumstances are relatively minor, he shall be detained for not more than five days or fined not more than 500 yuan. Anyone who commits any of the following circumstances shall be detained for not less than 10 days but not more than 15 days, and shall be fined not less than 500 yuan but not more than 1,000 yuan: (1) Beating and injuring others in groups; (2) Beating and injuring disabled persons, pregnant women, A person under the age of fourteen or a person over the age of sixty; (3) Beating or injuring others multiple times or beating or injuring multiple people at one time. "Second, if the identification result is a minor injury, the public security organ should file a case for investigation and hold the perpetrator criminally responsible. If the public security organ refuses to file the case, it can file a criminal private prosecution with the People's Court and request that the perpetrator be held criminally responsible. Whether it is Whether public prosecution or private prosecution, you can also file a civil lawsuit to claim compensation for medical expenses and other expenses. Article 234 of the Criminal Law of the People's Republic of China. Anyone who intentionally harms another person's body shall be sentenced to fixed-term imprisonment of not more than three years, criminal detention, or public surveillance. Whoever causes serious injury to another person shall be sentenced to fixed-term imprisonment of not less than three years but not more than ten years; whoever causes death or serious injury by particularly cruel means and causes severe disability shall be sentenced to fixed-term imprisonment of not less than ten years, life imprisonment or death as otherwise provided in this law. 3. The scope of civil compensation is stipulated in Article 17 of the Supreme People's Court's "Interpretations on Several Issues Concerning the Application of Law in the Trial of Personal Injury Compensation Cases", including medical expenses, lost work expenses, nursing expenses, transportation expenses, and accommodation expenses. , hospitalization food subsidy, necessary nutrition expenses.