You can't. As per the Google Help Article: "You may wish to file a report with the appropriate authorities and/or your regional fraud reporting center such as the Internet Crime Complaint Center (www.ic3.gov) "You may also contact the Federal Trade Commission (FTC), which handles complaints about deceptive or unfair business practices. To file a complaint, visit http://www.ftc.gov/ftc/contact.shtm, call 1-877-FTC-HELP, or write to the following address:
Federal Trade Commission
CRC-240
Washington, D. C. 20580 "If your complaint is against a company in a country other than the United States, you can file it at http://www.econsumer.gov. You can also find information on where to report in locations outside the United States at econsumer.gov."