This business research compiles the situation since 2008 of a number of US taxpayers, such as the prominent H.Ty Warner, 30 bankers, such as Bradley Birkenfeld, lawyers, such as Matthias Rickenbach in Zurich, and advisers, such as Josef Dorig, and of course the many banks, like Credit Suisse, HSBC, ZKB, involved in the tax dipsute between the U. S. and Switzerland.