It is always advisable to report the scammer. Scams just don't have the highest priority. Violent cases, murder and burglary often receive more attention. Moreover, investigative work in fraud and fraud cases takes a lot of manpower and time; scammers often work smart. So you should not have too high expectations of detecting and prosecuting scammers. Moreover, and that is what this article is about, recovering the embezzled money or claiming damages is not the job of the police. You need to see a lawyer for that.