Deputy Attorney General Rod Rosenstein will testify next week before the House Judiciary Committee about special counsel Robert Mueller's investigation into possible collusion between the Trump campaign and Russian Federation.
Mueller's probe also caused other Justice Department components to spend about $3.5 million on work attributable to the special counsel probe, according to the report.
The price tag is likely to rile Republicans who have been critical of Mueller's team and wary of a lengthy and costly investigation, though independent counsels have in the past spent tens of millions of dollars on lengthy probes.
Beyond the $3.2 million being spent directly by Mueller's team, an additional $3.5 million was spent by other entities in the DOJ that are involved in investigations supporting Mueller's probe. Payrolls for special counsel employees totaled about $500,000. The Justice Department's report covered the period from May 17 to September 30. He spent $26,592 in the probe's first phase, from the time he was appointed on December 30, 2003 to March 31, 2004, on personnel, travel, contracts and supplies, according to an audit from the Government Accountability Office.
Equipment acquisitions marks the second-highest expense, coming in at more than $733,000, followed by costs for rent and utilities, travel and transportation, and contractual services.
The spending was summarized in a report released Tuesday, the first of what Mueller's office said will be twice-a-year updates.
The Whitewater investigation, which lasted much longer, was more costly.
Starr's investigation turned over documentation to the GOP-led House Judiciary Committee, which impeached Bill Clinton in December 1998 on single charges of perjury and obstruction of justice related to his affair with intern Monica Lewinsky.
Mueller's investigation has already charged four individuals with criminal wrongdoing. George Papadopoulos, a former Trump campaign foreign policy adviser, made a similar plea deal with Mueller's prosecutors in October.
In addition, Manafort and his longtime business associate, Rick Gates, are now facing several felony charges brought by the special counsel's office.
Trump has in the past taken aim at Mueller's hires, highlighting some team members' political contributions to Democrats, including Hillary Clinton.
In a statement, the special counsel's office said it will release a similar expenditure report after March 31, 2018.