Prosecutors contend Robert Brockman began building his dementia defense right after he was indicted.
Billionaire Robert Brockman faces a charge he failed to pay taxes on $2 billion.
U.S. authorities want information about wealthy Americans suspected of using a Panamanian law firm to evade taxes.
Robert Brockman's claims of dementia did not move a panel of experts.
The government only has to show an asset was “the product of tainted funds” to take it in a civil forfeiture proceeding.
The IRS is cracking down on syndicated land deals that it says are actually abusive tax shelters.
Former Credit Suisse Group bankers blew the whistle on their employer for helping wealthy Americans dodge taxes.
Investment advisors overseeing trillions of dollars in private equity and hedge funds are exempt from money-laundering rules.
The Biden administration may seek to revive a rule from 2015 that is designed to close the loophole.
Smith agreed to a deal in which he admitted to tax fraud and paid $139 million.