As the world’s largest tax haven, it is no surprise that, up until now, the IRS has been focusing its search for offshore tax avoiders primarily on Switzerland. However, according to a recent statement by the chief of the IRS’s Criminal Investigation Division, the IRS is expanding its investigation in a more determined effort to locate taxpayers hoping to hide their assets outside their usual U.S. accounts. Those with undisclosed bank accounts overseas will have their dodging efforts cut out for them in 2017.