Treasury, IRS announce ‘major milestone’ of $1 billion in past-due taxes collected from millionaires CNBCI.R.S. Crackdown on Delinquent Millionaires Yields $1 Billion The New York TimesIRS collected $1 billion in back taxes from millionaires in less than a year CNNIRS collects milestone $1 billion in back taxes from high-wealth taxpayers ABC NewsHow the IRS is using a bigger budget to audit more rich taxpayers MarketWatch