The April 8th Kiplinger Tax Letter reports that a recently released IRS study has highlighted four of the biggest offenders in underreporting of income ...
2. Partnerships and S-Corportions.
3. Tipped employees. "Billions of gratuities disappear into thin air."
4. Gamblers. "They fail to report a large portion of their winnings."
Your tax dollars at work. They could have just asked Richard. :)