Do you know know that the major crimes such as investment frauds, which account to the most of the crimes conducted online and to the most of financial losses,
being not reported by victims and not even noticed by the authorities?

According to the IC3 2012 report the top crimes are:

Auto Fraud
FBI Impersonation E-mail Scam
Intimidation/Extortion Scams
Hit Man Scam
Real Estate Fraud
Romance Scams

you can get full 2012 IC3 report here:

Please encourage every one to speak up and complain to IC3 if he was a victim of a ponzi scheme.