The work comes from an office within the IRS called the National Taxpayer Advocate.
It finds that small businesses that handle mostly cash are the most likely to fudge on their taxes.
It was found that sole proprietorships in well to do neighborhoods in areas like Los Angeles, San Francisco, Houston, Atlanta, and Washington, DC are the most watched.
When the numbers are crunched the businesses most likely to cheat are real estate and construction companies.
Not surprisingly those with higher income are more likely to be audited as well as anyone who takes deductions that seem large for their income.
Lawyers, accountants, and architects are on the other end of the spectrum as those least likely to try to pull some shenanigans.
When it comes to cities or areas Alaska's Aleutian Islands, the Mott Haven neighborhood of the Bronx, and West Somerville, Massachusetts are the most honest.