In 2001, the IRS had only 13 agents in its international operations unit, and none specifically targeting what it calls “global high wealth.” By 2011, there were 71 for global high wealth — and 856 for international operations, up from 259 just a year before.  The IRS in March announced it was going to hire 300 more international agents.

Read more about the IRS and the pressures it is putting on expats IN THIS ARTICLE FROM THE NEW YORK TIMES.