If you believe you have been the victim of a scam or are aware of a scam, report it.
Here are some helpful resources from Consumer Connection:
IC3. Internet crime is illegal activity involving websites, email and/or chat rooms, computer hacking, etc. You can report Internet crime to the Internet Crime Complaint Center – a partnership between the FBI and the National White Collar Crime Center.
FTC. Identify theft; telemarketing scams; credit and credit-repair scams; sweepstakes scams pyramid schemes, etc. You can report to the Federal Trade Commission. Scams that have been promoted via email can be forwarded to spam@uce.gov.
USPIS. Scams or deceptive ads you receive in the US mail are reported to the US Postal Inspection Service.
SEC. Fraud involving potential violations of US Securities laws are reported to the Security and Exchange Commission.