If they confess by Apr. 15, and rat out the promoters who helped them, the IRS won't recommend them for prosecution or hit them with the civil fraud penalty--equal to 75% of the evaded tax.

FORBES: Magazine Article

And allowing tax convicts to buy their freedom by paying the tax they evaded is very bad precedent.

FORBES: Federal Judges Go Easy On Tax Cheats, Pornographers And Prostitutes