You can report it, you can file a case. The maximum legal penalty for fraud is life imprisonment, so the prosecution period is 20 years. After being cheated for three years, the victim submits relevant evidence to the public security organ, and the public security organ can also file a case for investigation. There is no time limit for reporting criminal cases, but there is a time limit for prosecution. If the statutory time limit for prosecution is exceeded, the public security organ may no longer pursue the responsibility.

Whoever commits this crime shall be sentenced to fixed-term imprisonment of not more than three years, criminal detention or public surveillance, and shall also or only be fined; The amount of fraud is less than 4000 yuan, which is a fine; Between 4,000 yuan and 5,000 yuan, it is public surveillance; 5,000 yuan, three months of criminal detention, and each increase of 1670 yuan will increase the sentence by one month; If the amount is 1000 yuan, it shall be six months' imprisonment, and for every increase of 1000 yuan, the imprisonment shall be increased by one month.

Legal basis:

Article 87 A crime that exceeds the following time limit shall not be prosecuted:

(1) Five years have passed if the statutory maximum penalty is less than five years of fixed-term imprisonment;

(2) Ten years if the statutory maximum penalty is fixed-term imprisonment of not less than five years but not more than ten years;

(3) Fifteen years if the statutory maximum penalty is fixed-term imprisonment of not less than ten years;

(4) Twenty years have passed if the maximum legal punishment is life imprisonment or death penalty. 20 years later, if it is deemed necessary to prosecute, it shall be submitted to the Supreme People's Procuratorate for approval.