Sabrina Willmer

Three people shared the award after disclosing an offshore tax-evasion scheme that spanned 15 years, enabling the IRS to collect $263 million from an unidentified individual.

The Internal Revenue Service issued an unusual public apology to the hedge fund manager for failing to protect his confidential tax data from being stolen and leaked to the media by a contractor now in prison.

Charles Littlejohn, 38, pleaded guilty to stealing Trump's tax data and leaking it to the New York Times and admitted taking tax information about thousands of other wealthy Americans, that he passed to ProPublica.

Cyber sleuths from the IRS and Chainalysis spent seven years trying to unmask the shadowy figure who ran Bitcoin Fog, a dark web service that authorities say helped criminals launder cryptocurrency.

One of the most enduring mysteries in cryptocurrency was resolved when Ilya Lichtenstein acknowledged that he executed the 2016 attack on the Bitfinex exchange.

Former President Donald Trump must hand over financial records to a Congressional committee investigating his potential conflicts of interests.

The private equity industry is trying defend a cherished tax break that Democrats have targeted for elimination.